diff --git a/src/lib.rs b/src/lib.rs
index 0af6431..fb94e07 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -136,7 +136,7 @@ pub fn check_rust_version() {
     }
 
     let old_version = MINIMUM_RUSTC_VERSION
-        > Version {
+        >= Version {
             // Remove `-nightly` pre-release tag for comparison.
             pre: semver::Prerelease::EMPTY,
             ..rustc_version.semver.clone()
@@ -146,7 +146,7 @@ pub fn check_rust_version() {
         None => false,
         Some(date) => {
             MINIMUM_COMMIT_DATE
-                > CommitDate::parse(&date).expect("could not parse `rustc --version` commit date")
+                >= CommitDate::parse(&date).expect("could not parse `rustc --version` commit date")
         }
     };