diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 8314a01..78b9cf9 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -2,6 +2,8 @@ name: Build
 on:
   pull_request:
   push:
+      branches:
+        - main
 jobs:
   gradle:
     runs-on: ubuntu-latest
@@ -18,11 +20,11 @@ jobs:
         unzip ghidra.zip -d ~/ghidra
         rm ghidra.zip
       env:
-        GHIDRA_URL: https://github.com/NationalSecurityAgency/ghidra/releases/download/Ghidra_10.3.2_build/ghidra_10.3.2_PUBLIC_20230711.zip
+        GHIDRA_URL: https://github.com/NationalSecurityAgency/ghidra/releases/download/Ghidra_10.4_build/ghidra_10.4_PUBLIC_20230928.zip
     - name: Execute Gradle build
       run: ./gradlew
       env:
-        GHIDRA_INSTALL_DIR: /home/runner/ghidra/ghidra_10.3.2_PUBLIC/
+        GHIDRA_INSTALL_DIR: /home/runner/ghidra/ghidra_10.4_PUBLIC/
     - name: Release
       uses: softprops/action-gh-release@v1
       if: startsWith(github.ref, 'refs/tags/')