diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 6238a519..f5cd675f 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -16,7 +16,7 @@ on:
 
 env:
   DOCKER_HUB_REPO: portainerci/agent
-  GO_VERSION: 1.21.3
+  GO_VERSION: 1.21.5
 
 jobs:
   build_images:
diff --git a/.github/workflows/nightly-security-scan.yml b/.github/workflows/nightly-security-scan.yml
index 1ac931c1..2fa4446b 100644
--- a/.github/workflows/nightly-security-scan.yml
+++ b/.github/workflows/nightly-security-scan.yml
@@ -6,7 +6,7 @@ on:
   workflow_dispatch:
 
 env:
-  GO_VERSION: 1.21.3
+  GO_VERSION: 1.21.5
 
 jobs:
   server-dependencies:
diff --git a/.github/workflows/pr-security.yml b/.github/workflows/pr-security.yml
index fe124188..69d6f7af 100644
--- a/.github/workflows/pr-security.yml
+++ b/.github/workflows/pr-security.yml
@@ -13,7 +13,7 @@ on:
       - ".github/workflows/pr-security.yml"
 
 env:
-  GO_VERSION: 1.21.3
+  GO_VERSION: 1.21.5
 
 jobs:
   server-dependencies: