diff --git a/.github/workflows/cont_integration.yml b/.github/workflows/cont_integration.yml
index aeebc8107..bc3b51637 100644
--- a/.github/workflows/cont_integration.yml
+++ b/.github/workflows/cont_integration.yml
@@ -49,6 +49,7 @@ jobs:
           cargo update -p cc --precise "1.0.105"
           cargo update -p tokio --precise "1.38.1"
           cargo update -p tokio-util --precise "0.7.11"
+          cargo update -p indexmap --precise "2.5.0"
       - name: Build
         run: cargo build --workspace --exclude 'example_*' ${{ matrix.features }}
       - name: Test
diff --git a/README.md b/README.md
index 5af2647eb..57c1414e2 100644
--- a/README.md
+++ b/README.md
@@ -76,6 +76,7 @@ cargo update -p url --precise "2.5.0"
 cargo update -p cc --precise "1.0.105"
 cargo update -p tokio --precise "1.38.1"
 cargo update -p tokio-util --precise "0.7.11"
+cargo update -p indexmap --precise "2.5.0"
 ```
 
 ## License