diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 914bdf3..3fce79a 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -10,7 +10,7 @@ permissions: {}
 env:
   CARGO_TERM_COLOR: always
   # renovate: datasource=github-tags depName=rust lookupName=rust-lang/rust versioning=semver
-  RUST_VERSION: 1.90.0
+  RUST_VERSION: 1.91.1
   # renovate: datasource=github-releases depName=cargo-insta lookupName=mitsuhiko/insta versioning=semver
   CARGO_INSTA_VERSION: 1.43.2