diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 76ab390..0e8e334 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -36,13 +36,13 @@ jobs:
             toolchain: stable
             deps: true
           - platform: ubuntu-latest
-            toolchain: 1.70.0 # MSRV
+            toolchain: 1.74.0 # MSRV
             deps: sudo apt-get install libpcsclite-dev
           - platform: windows-latest
-            toolchain: 1.70.0 # MSRV
+            toolchain: 1.74.0 # MSRV
             deps: true
           - platform: macos-latest
-            toolchain: 1.70.0 # MSRV
+            toolchain: 1.74.0 # MSRV
             deps: true
     runs-on: ${{ matrix.platform }}
     steps: