diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index 6f3c841..b189a15 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -11,7 +11,7 @@ jobs:
       - uses: actions/checkout@v3
 
       - name: Install mdbook and mdbook-katex
-        run: cargo install@0.4.40 mdbook mdbook-katex@0.9.0
+        run: cargo install mdbook@0.4.40 mdbook-katex@0.9.0
           
       - name: Build html
         run: mdbook build