diff --git a/api/tests/requirements.in b/api/tests/requirements.in
index 1b5de0eac3c..da3615b2026 100644
--- a/api/tests/requirements.in
+++ b/api/tests/requirements.in
@@ -2,7 +2,7 @@
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-cov
 pytest-aiohttp
 pytest-instafail
diff --git a/api/tests/requirements.txt b/api/tests/requirements.txt
index 057e81747ba..7ef32fd96f6 100644
--- a/api/tests/requirements.txt
+++ b/api/tests/requirements.txt
@@ -4,11 +4,11 @@
 #
 #    pip-compile --output-file=requirements.txt requirements.in
 #
-aiohttp==3.6.2
+aiohttp==3.6.2            # via -r requirements.in, pytest-aiohttp
 async-timeout==3.0.1      # via aiohttp
 attrs==19.3.0             # via aiohttp, jsonschema, openapi-core, pytest
 chardet==3.0.4            # via aiohttp
-coverage==4.5.1
+coverage==4.5.1           # via -r requirements.in, pytest-cov
 idna-ssl==1.1.0           # via aiohttp
 idna==2.9                 # via idna-ssl, yarl
 importlib-metadata==1.5.0  # via jsonschema, pluggy, pytest
@@ -17,7 +17,7 @@ jsonschema==3.2.0         # via openapi-schema-validator, openapi-spec-validator
 lazy-object-proxy==1.4.3  # via openapi-core
 more-itertools==8.2.0     # via openapi-core, pytest
 multidict==4.7.5          # via aiohttp, yarl
-openapi-core==0.13.3
+openapi-core==0.13.3      # via -r requirements.in
 openapi-schema-validator==0.1.1  # via openapi-core
 openapi-spec-validator==0.2.8  # via openapi-core
 packaging==20.3           # via pytest, pytest-sugar
@@ -26,13 +26,13 @@ pluggy==0.13.1            # via pytest
 py==1.8.1                 # via pytest
 pyparsing==2.4.6          # via packaging
 pyrsistent==0.15.7        # via jsonschema
-pytest-aiohttp==0.3.0
-pytest-cov==2.8.1
-pytest-instafail==0.4.1.post0
-pytest-sugar==0.9.2
-pytest==5.3.5
+pytest-aiohttp==0.3.0     # via -r requirements.in
+pytest-cov==2.8.1         # via -r requirements.in
+pytest-instafail==0.4.1.post0  # via -r requirements.in
+pytest-sugar==0.9.2       # via -r requirements.in
+pytest==5.3.5             # via -r requirements.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-sugar
 pyyaml==5.3               # via openapi-spec-validator
-six==1.14.0               # via isodate, jsonschema, openapi-core, openapi-schema-validator, openapi-spec-validator, packaging, pyrsistent
+six==1.14.0               # via isodate, jsonschema, openapi-core, openapi-schema-validator, openapi-spec-validator, packaging
 strict-rfc3339==0.7       # via openapi-schema-validator
 termcolor==1.1.0          # via pytest-sugar
 typing-extensions==3.7.4.1  # via aiohttp
diff --git a/packages/postgres-database/requirements/_test.in b/packages/postgres-database/requirements/_test.in
index d590dc2e27b..24ceae34c4a 100644
--- a/packages/postgres-database/requirements/_test.in
+++ b/packages/postgres-database/requirements/_test.in
@@ -12,7 +12,7 @@ faker
 
 # testing
 coverage==5.0.3 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-cov
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-instafail
diff --git a/packages/postgres-database/requirements/_test.txt b/packages/postgres-database/requirements/_test.txt
index a4ba3831fc3..150c77f2c4d 100644
--- a/packages/postgres-database/requirements/_test.txt
+++ b/packages/postgres-database/requirements/_test.txt
@@ -5,20 +5,20 @@
 #    pip-compile --build-isolation --output-file=_test.txt _test.in
 #
 aiohttp==3.6.2            # via pytest-aiohttp
-aiopg[sa]==1.0.0          # via -r requirements/_test.in
-alembic==1.4.1            # via -r requirements/_migration.txt
+aiopg[sa]==1.0.0          # via -r _test.in
+alembic==1.4.1            # via -r _migration.txt
 appdirs==1.4.3            # via black
 astroid==2.3.3            # via pylint
 async-timeout==3.0.1      # via aiohttp
 attrs==19.3.0             # via aiohttp, black, pytest, pytest-docker
-black==19.10b0            # via -r requirements/../../../requirements.txt
-bump2version==1.0.0       # via -r requirements/../../../requirements.txt
-certifi==2019.11.28       # via -r requirements/_migration.txt, requests
-chardet==3.0.4            # via -r requirements/_migration.txt, aiohttp, requests
-click==7.1.1              # via -r requirements/_migration.txt, black, pip-tools
-coverage==5.0.3           # via -r requirements/_test.in, coveralls, pytest-cov
-coveralls==1.11.1         # via -r requirements/_test.in
-docker==4.2.0             # via -r requirements/_migration.txt
+black==19.10b0            # via -r ../../../requirements.txt
+bump2version==1.0.0       # via -r ../../../requirements.txt
+certifi==2019.11.28       # via -r _migration.txt, requests
+chardet==3.0.4            # via -r _migration.txt, aiohttp, requests
+click==7.1.1              # via -r _migration.txt, black, pip-tools
+coverage==5.0.3           # via -r _test.in, coveralls, pytest-cov
+coveralls==1.11.1         # via -r _test.in
+docker==4.2.0             # via -r _migration.txt
 docopt==0.6.2             # via coveralls
 faker==4.0.2              # via -r _test.in
 idna-ssl==1.1.0           # via aiohttp
@@ -45,7 +45,7 @@ pytest-cov==2.8.1         # via -r _test.in
 pytest-docker==0.7.2      # via -r _test.in
 pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail
 python-dateutil==2.8.0    # via -r _migration.txt, alembic, faker
 python-editor==1.0.4      # via -r _migration.txt, alembic
 pyyaml==5.3               # via pyaml
diff --git a/packages/s3wrapper/requirements/_test.in b/packages/s3wrapper/requirements/_test.in
index 1000668160f..5a4ca491820 100644
--- a/packages/s3wrapper/requirements/_test.in
+++ b/packages/s3wrapper/requirements/_test.in
@@ -8,7 +8,7 @@
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-cov
 pytest-docker
 pytest-runner
diff --git a/packages/s3wrapper/requirements/_test.txt b/packages/s3wrapper/requirements/_test.txt
index b800539d193..5ea2052f33d 100644
--- a/packages/s3wrapper/requirements/_test.txt
+++ b/packages/s3wrapper/requirements/_test.txt
@@ -26,7 +26,7 @@ pyparsing==2.4.6          # via packaging
 pytest-cov==2.8.1         # via -r _test.in
 pytest-docker==0.7.2      # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-cov
+pytest==5.3.5             # via -r _test.in, pytest-cov
 python-dateutil==2.8.0    # via -r _base.txt, minio
 pytz==2019.1              # via -r _base.txt, minio
 requests==2.23.0          # via -r _test.in, coveralls
diff --git a/packages/service-library/requirements/_test.in b/packages/service-library/requirements/_test.in
index d50912e993b..42a2825b71f 100644
--- a/packages/service-library/requirements/_test.in
+++ b/packages/service-library/requirements/_test.in
@@ -8,7 +8,7 @@
 # testing
 coverage==5.0.3 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-instafail
diff --git a/packages/service-library/requirements/_test.txt b/packages/service-library/requirements/_test.txt
index 36c4cd34099..bafd70d9424 100644
--- a/packages/service-library/requirements/_test.txt
+++ b/packages/service-library/requirements/_test.txt
@@ -42,7 +42,7 @@ pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 pyyaml==5.3               # via -r _base.txt, openapi-spec-validator
 requests==2.23.0          # via coveralls
 six==1.12.0               # via -r _base.txt, astroid, isodate, jsonschema, openapi-core, openapi-spec-validator, packaging, pyrsistent, tenacity
diff --git a/packages/simcore-sdk/requirements/_test.in b/packages/simcore-sdk/requirements/_test.in
index df4c5de9937..b5e2b5be98d 100644
--- a/packages/simcore-sdk/requirements/_test.in
+++ b/packages/simcore-sdk/requirements/_test.in
@@ -8,7 +8,7 @@
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-docker
diff --git a/packages/simcore-sdk/requirements/_test.txt b/packages/simcore-sdk/requirements/_test.txt
index 34505bf337e..8267fdb75ba 100644
--- a/packages/simcore-sdk/requirements/_test.txt
+++ b/packages/simcore-sdk/requirements/_test.txt
@@ -40,7 +40,7 @@ pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 pyyaml==5.3               # via -r _base.txt, trafaret-config
 requests==2.23.0          # via -r _test.in, coveralls, docker
 six==1.12.0               # via -r _base.txt, astroid, docker, packaging, tenacity, websocket-client
diff --git a/services/catalog/requirements/_test.in b/services/catalog/requirements/_test.in
index befdd0b5f51..6220c854c95 100644
--- a/services/catalog/requirements/_test.in
+++ b/services/catalog/requirements/_test.in
@@ -9,7 +9,7 @@
 # 'services/catalog/tests/unit' dependencies
 
 # testing
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-mock
diff --git a/services/catalog/requirements/_test.txt b/services/catalog/requirements/_test.txt
index 16fba9ef2ae..4a9ac84db95 100644
--- a/services/catalog/requirements/_test.txt
+++ b/services/catalog/requirements/_test.txt
@@ -60,7 +60,7 @@ pytest-cov==2.8.1         # via -r _test.in
 pytest-docker==0.7.2      # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-mock
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-mock
 python-dateutil==2.8.1    # via faker
 python-multipart==0.0.5   # via -r _base.txt, fastapi
 pyyaml==5.3               # via -r _base.txt, fastapi
diff --git a/services/director/requirements/_test.in b/services/director/requirements/_test.in
index 7e9f2b6d5c4..2162c1cdd18 100644
--- a/services/director/requirements/_test.in
+++ b/services/director/requirements/_test.in
@@ -7,7 +7,7 @@
 
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-instafail
diff --git a/services/director/requirements/_test.txt b/services/director/requirements/_test.txt
index db68d72afc6..e4c22ee4c99 100644
--- a/services/director/requirements/_test.txt
+++ b/services/director/requirements/_test.txt
@@ -41,7 +41,7 @@ pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 pyyaml==5.3               # via -r _base.txt, aiohttp-apiset, openapi-spec-validator
 requests==2.22.0          # via -r _base.txt, codecov, coveralls, docker
 six==1.12.0               # via -r _base.txt, astroid, docker, openapi-spec-validator, packaging, tenacity, websocket-client
diff --git a/services/sidecar/requirements/_test.in b/services/sidecar/requirements/_test.in
index d9b4ed0d89e..9899ee525e9 100644
--- a/services/sidecar/requirements/_test.in
+++ b/services/sidecar/requirements/_test.in
@@ -7,7 +7,7 @@
 
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-docker
 pytest-cov
 pytest-instafail
diff --git a/services/sidecar/requirements/_test.txt b/services/sidecar/requirements/_test.txt
index 3d237910d12..d5b53d403fc 100644
--- a/services/sidecar/requirements/_test.txt
+++ b/services/sidecar/requirements/_test.txt
@@ -40,7 +40,7 @@ pytest-docker==0.7.2      # via -r _test.in
 pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 python-dateutil==2.8.0    # via -r _base.txt, minio
 pytz==2019.1              # via -r _base.txt, celery, minio
 requests==2.22.0          # via -r _base.txt, coveralls, docker
diff --git a/services/storage/requirements/_test.in b/services/storage/requirements/_test.in
index 6568ee93ec1..f523255eefd 100644
--- a/services/storage/requirements/_test.in
+++ b/services/storage/requirements/_test.in
@@ -8,7 +8,7 @@
 # testing
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-docker
diff --git a/services/storage/requirements/_test.txt b/services/storage/requirements/_test.txt
index b52e8c31ef4..480ec527376 100644
--- a/services/storage/requirements/_test.txt
+++ b/services/storage/requirements/_test.txt
@@ -67,7 +67,7 @@ pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 python-dateutil==2.8.0    # via -r _base.txt, botocore, pandas
 pytz==2019.1              # via -r _base.txt, blackfynn, pandas
 pyyaml==5.3               # via -r _base.txt, openapi-spec-validator, trafaret-config
diff --git a/services/web/server/requirements/_test.in b/services/web/server/requirements/_test.in
index 23cbad7fdec..d850d244097 100644
--- a/services/web/server/requirements/_test.in
+++ b/services/web/server/requirements/_test.in
@@ -12,7 +12,7 @@
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
 mock
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp  # incompatible with pytest-asyncio. See https://github.com/pytest-dev/pytest-asyncio/issues/76
 pytest-cov
 pytest-docker
diff --git a/services/web/server/requirements/_test.txt b/services/web/server/requirements/_test.txt
index 4d451d1ed51..2e350014893 100644
--- a/services/web/server/requirements/_test.txt
+++ b/services/web/server/requirements/_test.txt
@@ -74,7 +74,7 @@ pytest-instafail==0.4.1.post0  # via -r _test.in
 pytest-mock==2.0.0        # via -r _test.in
 pytest-runner==5.2        # via -r _test.in
 pytest-sugar==0.9.2       # via -r _test.in
-pytest==5.4.1             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
+pytest==5.3.5             # via -r _test.in, pytest-aiohttp, pytest-cov, pytest-instafail, pytest-mock, pytest-sugar
 python-dateutil==2.8.1    # via faker
 python-engineio==3.9.3    # via -r _base.txt, python-socketio
 python-socketio==4.3.1    # via -r _base.txt
diff --git a/tests/swarm-deploy/requirements.in b/tests/swarm-deploy/requirements.in
index 86f5e23b5ad..4589b14789e 100644
--- a/tests/swarm-deploy/requirements.in
+++ b/tests/swarm-deploy/requirements.in
@@ -1,6 +1,6 @@
 coverage==4.5.1 # TODO: Downgraded because of a bug https://github.com/nedbat/coveragepy/issues/716
 
-pytest
+pytest~=5.3.5  # Bug in pytest-sugar https://github.com/Teemu/pytest-sugar/issues/187
 pytest-aiohttp
 pytest-cov
 pytest-instafail