diff --git a/.github/workflows/unit-tests.yaml b/.github/workflows/unit-tests.yaml
index 121dff555..94c4947ba 100644
--- a/.github/workflows/unit-tests.yaml
+++ b/.github/workflows/unit-tests.yaml
@@ -42,4 +42,4 @@ jobs:
           export PATH="${HOME}/google-cloud-sdk/bin:${PATH}"
 
           gcloud components install app-engine-java --quiet
-          ./mvnw -B -U --fail-at-end clean verify
\ No newline at end of file
+          ./mvnw -B -U --fail-at-end clean verify -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
diff --git a/kokoro/continuous.bat b/kokoro/continuous.bat
index 820d1ccbf..a6d65ba75 100755
--- a/kokoro/continuous.bat
+++ b/kokoro/continuous.bat
@@ -11,6 +11,6 @@ copy settings.xml "%HOME%\.m2"
 call gcloud.cmd components update --quiet
 call gcloud.cmd components install app-engine-java --quiet
 
-call mvnw.cmd clean install cobertura:cobertura -B -U
+call mvnw.cmd clean install cobertura:cobertura -B -U -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
 
 exit /b %ERRORLEVEL%
diff --git a/kokoro/continuous.sh b/kokoro/continuous.sh
index 2c5188763..e4fbf8e6a 100755
--- a/kokoro/continuous.sh
+++ b/kokoro/continuous.sh
@@ -21,8 +21,8 @@ cp settings.xml ${HOME}/.m2
 if [ "$EUID" -ne 0 ]
 then
   # not running as root
-  ./mvnw clean install cobertura:cobertura -B -U
+  ./mvnw clean install cobertura:cobertura -B -U -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
 else
   # running as root - skip file permissions tests that don't work on Docker
-  ./mvnw clean install cobertura:cobertura -B -U -Dtest=!FilePermissionsTest
+  ./mvnw clean install cobertura:cobertura -B -U -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS -Dtest=!FilePermissionsTest
 fi
diff --git a/kokoro/continuous_mac.sh b/kokoro/continuous_mac.sh
index 448c409df..174eebc23 100755
--- a/kokoro/continuous_mac.sh
+++ b/kokoro/continuous_mac.sh
@@ -16,4 +16,4 @@ cd github/appengine-plugins-core
 mkdir -p ${HOME}/.m2
 cp settings.xml ${HOME}/.m2
 
-./mvnw clean install cobertura:cobertura -B -U
+./mvnw clean install cobertura:cobertura -B -U -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
diff --git a/kokoro/release_build.sh b/kokoro/release_build.sh
index 8fd592753..15e49556e 100755
--- a/kokoro/release_build.sh
+++ b/kokoro/release_build.sh
@@ -14,7 +14,7 @@ cd github/appengine-plugins-core
 mkdir -p ${HOME}/.m2
 cp settings.xml ${HOME}/.m2
 
-mvn -Prelease -B -U verify -Dtest=!FilePermissionsTest
+mvn -Prelease -B -U verify -Dtest=!FilePermissionsTest -Dorg.slf4j.simpleLogger.showDateTime=true -Dorg.slf4j.simpleLogger.dateTimeFormat=HH:mm:ss:SSS
 
 # copy pom with the name expected in the Maven repository
 ARTIFACT_ID=$(mvn -B help:evaluate -Dexpression=project.artifactId 2>/dev/null | grep -v "^\[")