diff --git a/.github/workflows/rust-tests.yml b/.github/workflows/rust-tests.yml
index 206eb88d4..3fb7bf427 100644
--- a/.github/workflows/rust-tests.yml
+++ b/.github/workflows/rust-tests.yml
@@ -13,7 +13,7 @@ jobs:
       matrix:
         rust:
           # MSRV; most not be higher than the clippy rust version in checks.yml
-          - "1.47"
+          - "1.52"
           - "stable"
         os:
           - ubuntu-latest
diff --git a/rust/lib/src/lib.rs b/rust/lib/src/lib.rs
index 69b83d64b..ee48ce969 100644
--- a/rust/lib/src/lib.rs
+++ b/rust/lib/src/lib.rs
@@ -1,5 +1,4 @@
-// Not compatible with the MSRV
-// #![warn(unsafe_op_in_unsafe_fn)]
+#![warn(unsafe_op_in_unsafe_fn)]
 #![allow(unused_unsafe)]
 // Not working yet in stable - https://github.com/rust-lang/rust-clippy/issues/8020
 // #![warn(clippy::undocumented_unsafe_blocks)]
diff --git a/rust/taskchampion/src/lib.rs b/rust/taskchampion/src/lib.rs
index 63e5c20ea..058620e68 100644
--- a/rust/taskchampion/src/lib.rs
+++ b/rust/taskchampion/src/lib.rs
@@ -39,9 +39,9 @@ Users can define their own server impelementations.
 See the [TaskChampion Book](http://taskchampion.github.com/taskchampion)
 for more information about the design and usage of the tool.
 
-# Minimum Supported Rust Version
+# Minimum Supported Rust Version (MSRV)
 
-This crate supports Rust version 1.47 and higher.
+This crate supports Rust version 1.52 and higher.
 
  */