diff --git a/.github/workflows/rust.yml b/.github/workflows/rust.yml
index b1894a7..1a2f384 100644
--- a/.github/workflows/rust.yml
+++ b/.github/workflows/rust.yml
@@ -17,7 +17,7 @@ jobs:
         rust:
           - stable
           - nightly
-          - 1.51.0 # MSVR
+          - 1.52.1 # MSVR
     steps:
       - uses: actions/checkout@v2
       # Important preparation step: override the latest default Rust version in GitHub CI
diff --git a/README.md b/README.md
index 49f7905..45d166b 100644
--- a/README.md
+++ b/README.md
@@ -53,7 +53,7 @@ If your tar file is compressed, e.g. by `.tar.gz`/`gzip`, you need to uncompress
 bytes.
 
 ## MSRV
-The MSRV is 1.51.0 stable.
+The MSRV is 1.52.1 stable.
 
 
 [0]: https://www.gnu.org/software/tar/manual/html_section/Formats.html