diff --git a/.github/workflows/msys-build.yml b/.github/workflows/msys-build.yml
index b7779da6..580c6aef 100644
--- a/.github/workflows/msys-build.yml
+++ b/.github/workflows/msys-build.yml
@@ -19,6 +19,7 @@ jobs:
             mingw-w64-x86_64-python3-cffi
             mingw-w64-x86_64-meson
             mingw-w64-x86_64-gtk2
+            mingw-w64-x86_64-gtk-update-icon-cache
             mingw-w64-x86_64-luajit
             mingw-w64-x86_64-desktop-file-utils