diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index 2bb16d6..a4ee8bc 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        go: ["1.18", "1.19", "1.20"]
+        go: ["1.19", "1.20", "1.21"]
 
     steps:
     - uses: actions/checkout@v2
@@ -22,7 +22,7 @@ jobs:
 
     - run: make test-nodocker
 
-    - if: matrix.go == '1.19'
+    - if: matrix.go == '1.21'
       uses: codecov/codecov-action@v3
       with:
         token: ${{ secrets.CODECOV_TOKEN }}
diff --git a/README.md b/README.md
index b7c7723..35a0d97 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@
 
 HLS client and muxer library for the Go programming language, written for [MediaMTX](https://github.com/bluenviron/mediamtx).
 
-Go ≥ 1.18 is required.
+Go ≥ 1.19 is required.
 
 Features: