diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index a5ac896f..0c73fb02 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -70,6 +70,11 @@ jobs:
           ref: pdf2htmlEX_and_deps
           path: conan-odr-index
 
+      - uses: actions/cache@v4
+        with:
+          path: ~/.conan2
+          key: conan-cache
+
       - run: python scripts/conan_export_all_packages.py
         working-directory: conan-odr-index