diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index db10b707..e2ef570f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -41,8 +41,6 @@ jobs:
           git status
           if [ -n "$(git status --porcelain)" ]; then exit 1; fi
       - name: Build release files
-        env:
-          MEGA_VERSION: ${{ github.event.release.tag_name }}
         run: ./gradlew build
       - name: Publish release files
         if: ${{ github.event_name == 'release' }}
diff --git a/build.gradle.kts b/build.gradle.kts
index 091a4d62..f34880da 100644
--- a/build.gradle.kts
+++ b/build.gradle.kts
@@ -6,7 +6,7 @@ plugins {
 val modId = "megacells"
 
 base.archivesName = modId
-version = System.getenv("MEGA_VERSION") ?: "0.0.0"
+version = if (System.getenv("GITHUB_REF_TYPE") == "tag") System.getenv("GITHUB_REF_NAME") else "0.0.0"
 group = "gripe.90"
 
 java.toolchain.languageVersion = JavaLanguageVersion.of(21)