diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index de2705db92c21b7a18992f77480bd7198aeb5467..f92de4ed3bc43b1337bb35a71a18ba444c412ae2 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -30,7 +30,7 @@ lint:
   before_script: []
 
 unit tests:
-  image: golang:1.20.4
+  image: golang:1.20.5
   extends: .gotest
   stage: test
   tags:
@@ -39,7 +39,7 @@ unit tests:
   coverage: '/total:\s+\(statements\)\s+(\d+.\d+\%)/'
 
 govulncheck:
-  image: golang:1.20.4
+  image: golang:1.20.5
   stage: test
   tags:
     - amd64-docker
diff --git a/deployment/ci/Dockerfile b/deployment/ci/Dockerfile
index 0056026699e38f15e4eca2e7e9eae34b5450873c..dc441db3cd660481a6173ee1986bda67bda3199a 100644
--- a/deployment/ci/Dockerfile
+++ b/deployment/ci/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.4-alpine3.17 as builder
+FROM golang:1.20.5-alpine3.17 as builder
 
 RUN apk add git
 
diff --git a/deployment/compose/Dockerfile b/deployment/compose/Dockerfile
index 6d5a293fd170e706f62ad3399c878996a7b535d9..8382ecf3443081c421089e3a9a2c86c7266cd841 100644
--- a/deployment/compose/Dockerfile
+++ b/deployment/compose/Dockerfile
@@ -1,4 +1,4 @@
-FROM golang:1.20.4
+FROM golang:1.20.5
 
 RUN go install github.com/ysmood/kit/cmd/guard@v0.25.11