diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 5d821a5e..ab154ec3 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -43,7 +43,7 @@ jobs:
         include:
         - build: pinned
           os: ubuntu-18.04
-          rust: 1.41.0
+          rust: 1.52.1
         - build: stable
           os: ubuntu-18.04
           rust: stable