diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index 8fc04b22..ef1d65e6 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -56,7 +56,7 @@ jobs:
           - ubuntu-latest
           - windows-latest
         rust:
-          - 1.66.0 # MSRV (also change in Cargo.toml)
+          - 1.67.0 # MSRV (also change in Cargo.toml)
           - stable
           - nightly
     steps:
diff --git a/Cargo.toml b/Cargo.toml
index 33c8f521..dc1f7015 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -13,7 +13,7 @@ license = "EUPL-1.2"
 edition = "2021"
 
 # MSRV (also change in CI)
-rust-version = "1.66"
+rust-version = "1.67"
 
 [dependencies]
 serde = { version = "1.0.120", features = ["rc"] }