diff --git a/.github/workflows/CICD.yml b/.github/workflows/CICD.yml
index b2d77a5a4..012c14264 100644
--- a/.github/workflows/CICD.yml
+++ b/.github/workflows/CICD.yml
@@ -14,7 +14,7 @@ env:
   PROJECT_DESC: "Core universal (cross-platform) utilities"
   PROJECT_AUTH: "uutils"
   RUST_MIN_SRV: "1.43.1" ## v1.43.0
-  RUST_COV_SRV: "2020-08-01" ## (~v1.47.0) supported rust version for code coverage; (date required/used by 'coverage') ## !maint: refactor when code coverage support is included in the stable channel
+  RUST_COV_SRV: "2021-05-06" ## (~v1.52.0) supported rust version for code coverage; (date required/used by 'coverage') ## !maint: refactor when code coverage support is included in the stable channel
 
 on: [push, pull_request]