diff --git a/.github/workflows/main.yml b/.github/workflows/main.yml
index 7aef82c1..4dff9b2d 100644
--- a/.github/workflows/main.yml
+++ b/.github/workflows/main.yml
@@ -114,6 +114,7 @@ jobs:
     name: MSRV
     runs-on: ${{ matrix.os }}
     strategy:
+      fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest]
     steps:
@@ -121,9 +122,15 @@ jobs:
     - name: Install Rust
       run: |
         rustup toolchain install 1.46.0 --no-self-update --profile minimal
+        rustup toolchain install nightly --no-self-update --profile minimal
         rustup default 1.46.0
       shell: bash
+    - name: Create Cargo.lock with minimal version
+      run: cargo +nightly update -Zminimal-versions
+    - name: Cache downloaded crates since 1.46 is really slow in fetching
+      uses: Swatinem/rust-cache@v2
     - run: cargo check --lib
+    - run: cargo check --lib --all-features
 
   rustfmt:
     name: Rustfmt