diff --git a/.github/workflows/cmake.yml b/.github/workflows/cmake.yml
index c0325df..f81baf5 100644
--- a/.github/workflows/cmake.yml
+++ b/.github/workflows/cmake.yml
@@ -49,6 +49,10 @@ jobs:
       shell: bash
       run: sudo make install
     
+    - name: Update MIME database
+      shell: bash
+      run: sudo update-mime-database /usr/local/share/mime
+    
     - name: Test help
       shell: bash
       run: sauklaue export -h
diff --git a/README.md b/README.md
index 21b5b93..1e6d82d 100644
--- a/README.md
+++ b/README.md
@@ -71,6 +71,8 @@ cd build
 cmake ..
 make
 sudo make install
+sudo update-mime-database /usr/local/share/mime
+sudo update-desktop-database /usr/local/share/applications
 ```
 
 # Usage