diff --git a/.github/workflows/gradle_build.yml b/.github/workflows/gradle_build.yml
index 97c8d43b..ddb3fc2b 100644
--- a/.github/workflows/gradle_build.yml
+++ b/.github/workflows/gradle_build.yml
@@ -6,7 +6,7 @@ jobs:
   build:
     strategy:
       matrix:
-        java: [ 17, 21 ]
+        java: [ 21 ]
     runs-on: ubuntu-latest
     steps:
       - name: "Checkout"
diff --git a/README.md b/README.md
index bceeacd8..e68ce01e 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # LambDynamicLights
 
 <!-- modrinth_exclude.start -->
-![Java 17](https://img.shields.io/badge/language-Java%2017-9B599A.svg?style=flat-square) <!-- modrinth_exclude.end -->
+![Java 21](https://img.shields.io/badge/language-Java%2021-9B599A.svg?style=flat-square) <!-- modrinth_exclude.end -->
 [![GitHub license](https://img.shields.io/github/license/LambdAurora/LambDynamicLights?style=flat-square)](https://raw.githubusercontent.com/LambdAurora/LambDynamicLights/1.19/LICENSE)
 ![Environment: Client](https://img.shields.io/badge/environment-client-1976d2?style=flat-square)
 [![Mod loader: Fabric]][fabric] <!-- modrinth_exclude.start -->