diff --git a/.github/workflows/benchmark.yml b/.github/workflows/benchmark.yml
index c7949fdf..0e4925a0 100644
--- a/.github/workflows/benchmark.yml
+++ b/.github/workflows/benchmark.yml
@@ -18,10 +18,10 @@ jobs:
   bench-dnstaptcp:
     runs-on: ubuntu-22.04
     steps:
-    - uses: actions/setup-go@v3
+    - uses: actions/setup-go@v4
     - uses: actions/setup-python@v4
       with:
-        python-version: '3.11'
+        python-version: '3.12'
 
     - uses: actions/checkout@v4
       with:
diff --git a/.github/workflows/testing-dnstap.yml b/.github/workflows/testing-dnstap.yml
index a306d2b0..085f2e8d 100644
--- a/.github/workflows/testing-dnstap.yml
+++ b/.github/workflows/testing-dnstap.yml
@@ -22,14 +22,14 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         unbound: [ '1.17.0', '1.18.0' ]
 
         mode: [ 'tcp' ]
 
     steps:
     - uses: actions/checkout@v4
-    - uses: actions/setup-go@v3
+    - uses: actions/setup-go@v4
       with:
         go-version: ${{ matrix.go-version }}
     - uses: actions/setup-python@v4
@@ -55,7 +55,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         coredns: [ '1.10.1', '1.11.1' ]
         mode: [ 'tcp' ]
 
@@ -87,7 +87,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         coredns: [ '1.11.1' ]
         mode: [ 'tls' ]
 
@@ -131,7 +131,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         dnsdist: [ '17', '18', '19' ]
 
         mode: [ 'dnstaptcp', 'dnstapunix' ]
diff --git a/.github/workflows/testing-go.yml b/.github/workflows/testing-go.yml
index b9e6f02d..55bb27d7 100644
--- a/.github/workflows/testing-go.yml
+++ b/.github/workflows/testing-go.yml
@@ -19,7 +19,7 @@ jobs:
     strategy:
       matrix:
         os-version: ['ubuntu-22.04', 'macos-latest' ]
-        go-version: ['1.20', '1.21']
+        go-version: ['1.19', '1.20', '1.21']
         package: ['dnsutils', 'collectors', 'loggers', 'transformers', 'netlib']
         exclude:
           - os-version: macos-latest
@@ -84,7 +84,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: ['1.20', '1.21']
+        go-version: ['1.21']
         
     steps:
     - uses: actions/checkout@v4
diff --git a/.github/workflows/testing-powerdns.yml b/.github/workflows/testing-powerdns.yml
index 3482efc6..f74ac026 100644
--- a/.github/workflows/testing-powerdns.yml
+++ b/.github/workflows/testing-powerdns.yml
@@ -23,7 +23,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         dnsdist: [ '17', '18', '19' ]
 
     steps:
@@ -51,7 +51,7 @@ jobs:
 
     strategy:
       matrix:
-        go-version: [ '1.20', '1.21' ]
+        go-version: [ '1.21' ]
         recursor: [ '47', '48', '49' ]
 
     steps: