diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b426fa67..58860f77 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -30,6 +30,7 @@ jobs:
           cargo update
           cargo update -p log --precise 0.4.18
           cargo update -p tempfile --precise 3.6.0
+          cargo update -p flate2 --precise 1.0.26
       - name: test
         run: cargo test --verbose --all-features --lib
 
diff --git a/README.md b/README.md
index 6f4e357c..427ffc7c 100644
--- a/README.md
+++ b/README.md
@@ -79,6 +79,7 @@ To build and test with the MSRV you will need to pin the below dependency versio
 ```shell
 cargo update -p log --precise 0.4.18
 cargo update -p tempfile --precise 3.6.0
+cargo update -p flate2 --precise 1.0.26
 ```
 
 ## License