diff --git a/.github/actions/setup/action.yml b/.github/actions/setup/action.yml
index 8edb6b6b2..fdd8a0752 100644
--- a/.github/actions/setup/action.yml
+++ b/.github/actions/setup/action.yml
@@ -16,7 +16,7 @@ runs:
     - name: Set up Go 1.21
       uses: actions/setup-go@v4
       with:
-        go-version: 1.21.4
+        go-version: 1.21.5
         cache: false
 
     - name: Disable default go problem matcher
diff --git a/.github/workflows/codeql-analysis.yml b/.github/workflows/codeql-analysis.yml
index 83a70f93c..e9d70f999 100644
--- a/.github/workflows/codeql-analysis.yml
+++ b/.github/workflows/codeql-analysis.yml
@@ -45,7 +45,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Install ginkgo
         run: make install-tools
diff --git a/.github/workflows/merge.yaml b/.github/workflows/merge.yaml
index 64855646f..a8793a6df 100644
--- a/.github/workflows/merge.yaml
+++ b/.github/workflows/merge.yaml
@@ -24,7 +24,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Check out code into the Go module directory
         uses: actions/checkout@v4
diff --git a/.github/workflows/pre-main.yaml b/.github/workflows/pre-main.yaml
index 9c2ea5eba..32b499400 100644
--- a/.github/workflows/pre-main.yaml
+++ b/.github/workflows/pre-main.yaml
@@ -41,7 +41,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Disable default go problem matcher
         run: echo "::remove-matcher owner=go::"
@@ -113,7 +113,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Disable default go problem matcher
         run: echo "::remove-matcher owner=go::"
@@ -179,7 +179,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Disable default go problem matcher
         run: echo "::remove-matcher owner=go::"
@@ -334,7 +334,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
 
 
diff --git a/.github/workflows/preflight.yml b/.github/workflows/preflight.yml
index 8b55e41c2..0d8a68b79 100644
--- a/.github/workflows/preflight.yml
+++ b/.github/workflows/preflight.yml
@@ -20,7 +20,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
       - name: Disable default go problem matcher
         run: echo "::remove-matcher owner=go::"
diff --git a/.github/workflows/update-rhcos-mapping.yml b/.github/workflows/update-rhcos-mapping.yml
index 08e62c1d6..48c6aa6b9 100644
--- a/.github/workflows/update-rhcos-mapping.yml
+++ b/.github/workflows/update-rhcos-mapping.yml
@@ -23,7 +23,7 @@ jobs:
       - name: Set up Go 1.21
         uses: actions/setup-go@v4
         with:
-          go-version: 1.21.4
+          go-version: 1.21.5
 
         # This prevents any failures due to the updated rhcos_versions_map file from
         # making it into the PR phase.
diff --git a/Dockerfile b/Dockerfile
index 3717de064..f939603bb 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -22,7 +22,7 @@ RUN \
 # Install Go binary and set the PATH
 ENV \
 	GO_DL_URL=https://golang.org/dl \
-	GO_BIN_TAR=go1.21.4.linux-amd64.tar.gz \
+	GO_BIN_TAR=go1.21.5.linux-amd64.tar.gz \
 	GOPATH=/root/go
 ENV GO_BIN_URL_x86_64=${GO_DL_URL}/${GO_BIN_TAR}
 RUN \
diff --git a/go.mod b/go.mod
index 5935e08bb..7b986e8c3 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/test-network-function/cnf-certification-test
 
-go 1.21.4
+go 1.21.5
 
 require (
 	github.com/Masterminds/semver/v3 v3.2.1