diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index c67eb4a..028a7ef 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/linux-integration-test.yml b/.github/workflows/linux-integration-test.yml
index cc36692..ca9c7ff 100644
--- a/.github/workflows/linux-integration-test.yml
+++ b/.github/workflows/linux-integration-test.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/.github/workflows/linux-test.yml b/.github/workflows/linux-test.yml
index 206a8a1..08a2c1d 100644
--- a/.github/workflows/linux-test.yml
+++ b/.github/workflows/linux-test.yml
@@ -10,7 +10,7 @@ jobs:
   build:
     strategy:
       matrix:
-        go-version: [1.18, 1.19]
+        go-version: ["1.20", "1.21"]
     runs-on: ubuntu-latest
 
     steps:
diff --git a/go.mod b/go.mod
index 697bd2d..9f5cf4a 100644
--- a/go.mod
+++ b/go.mod
@@ -1,6 +1,6 @@
 module github.com/ti-mo/conntrack
 
-go 1.18
+go 1.20
 
 require (
 	github.com/google/go-cmp v0.6.0