diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 8274d69..b9570be 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -7,7 +7,7 @@ on:
   pull_request:
 
 env:
-  GO_VERSION: "1.18.10"
+  GO_VERSION: "1.21.5"
   REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
 
 jobs:
diff --git a/.github/workflows/codeql.yaml b/.github/workflows/codeql.yaml
index 1d112a7..b002311 100644
--- a/.github/workflows/codeql.yaml
+++ b/.github/workflows/codeql.yaml
@@ -6,7 +6,7 @@ on:
       - master
 
 env:
-  GO_VERSION: "1.18.10"
+  GO_VERSION: "1.21.5"
 
 jobs:
   analyze:
diff --git a/.github/workflows/prerelease.yaml b/.github/workflows/prerelease.yaml
index 971af68..11a445b 100644
--- a/.github/workflows/prerelease.yaml
+++ b/.github/workflows/prerelease.yaml
@@ -6,7 +6,7 @@ on:
       - "v*.*.*-*"
 
 env:
-  GO_VERSION: "1.18.10"
+  GO_VERSION: "1.21.5"
   REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
 
 jobs:
diff --git a/.github/workflows/release.yaml b/.github/workflows/release.yaml
index eee2a6e..8d53bb5 100644
--- a/.github/workflows/release.yaml
+++ b/.github/workflows/release.yaml
@@ -7,7 +7,7 @@ on:
       - "!v*.*.*-*"
 
 env:
-  GO_VERSION: "1.18.10"
+  GO_VERSION: "1.21.5"
   REGISTRY_USERNAME: ${{ secrets.REGISTRY_USERNAME }}
 
 jobs:
diff --git a/Dockerfile b/Dockerfile
index ce0c083..13eaf3b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -6,7 +6,7 @@
 # You may obtain a copy of the License at the LICENSE file in
 # the root directory of this source tree.
 
-FROM golang:1.18.10-alpine AS builder
+FROM golang:1.21.5-alpine AS builder
 
 RUN apk add --update --no-cache make