diff --git a/.github/workflows/check.yml b/.github/workflows/check.yml
index e7e6f9c8..5db057c8 100644
--- a/.github/workflows/check.yml
+++ b/.github/workflows/check.yml
@@ -98,7 +98,7 @@ jobs:
     # https://docs.github.com/en/actions/learn-github-actions/contexts#context-availability
     strategy:
       matrix:
-        msrv: ["1.70.0"] # 2021 edition requires 1.56
+        msrv: ["1.79.0"] # Don't forget to update the `rust-version` in Cargo.toml as well
     name: ubuntu / ${{ matrix.msrv }}
     steps:
       - uses: actions/checkout@v4
diff --git a/Cargo.toml b/Cargo.toml
index b075139a..5e69d552 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -3,7 +3,7 @@ name = "imageproc"
 version = "0.26.0"
 authors = ["theotherphil"]
 # note: when changed, also update `msrv` in `.github/workflows/check.yml`
-rust-version = "1.70.0"
+rust-version = "1.79.0"
 edition = "2021"
 license = "MIT"
 description = "Image processing operations"