diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 43645ab3d49ad3517a70e607f9b12ac09b14dd08..c92e8694f8f984638f7769e9cf29d719ff1b6adf 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -14,7 +14,7 @@ linters:
     - golangci-lint run
 
 unit tests:
-  image: golang:1.21.4
+  image: golang:1.21.5
   stage: test
   script:
     - go version
@@ -23,7 +23,7 @@ unit tests:
   coverage: '/total:\s+\(statements\)\s+(\d+.\d+\%)/'
 
 govulncheck:
-  image: golang:1.21.4
+  image: golang:1.21.5
   stage: test
   script:
     - go version
diff --git a/deployment/ci/Dockerfile b/deployment/ci/Dockerfile
index b15f77b948866b29e9ebbb9437c1fde68c53aaab..729429e4dab363e5bde1fac12470f5c4d3a6b4f6 100644
--- a/deployment/ci/Dockerfile
+++ b/deployment/ci/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.4-alpine3.17 as builder
+FROM golang:1.21.5-alpine3.17 as builder
 
 RUN apk add git
 
diff --git a/deployment/compose/Dockerfile b/deployment/compose/Dockerfile
index 39ce5b58496b0447f5edcc15bd1017ecc38842b6..2efd50dda9b1091fb60d5dc7cca5cf12e16c5977 100644
--- a/deployment/compose/Dockerfile
+++ b/deployment/compose/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.21.4
+FROM golang:1.21.5
 
 RUN go install github.com/ysmood/kit/cmd/guard@v0.25.11