diff --git a/.github/workflows/msrv.yml b/.github/workflows/msrv.yml
index fa9cd472..e0692668 100644
--- a/.github/workflows/msrv.yml
+++ b/.github/workflows/msrv.yml
@@ -111,12 +111,6 @@ jobs:
     needs: [check]
     name: Clippy
     runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        rust:
-          - stable
-          - beta
-          - nightly
     steps:
       - name: Checkout sources
         uses: actions/checkout@v3.0.2
@@ -124,7 +118,7 @@ jobs:
       - name: Install toolchain
         uses: actions-rs/toolchain@v1
         with:
-          toolchain: ${{ matrix.rust }}
+          toolchain: 1.56.1
           override: true
           components: clippy
 
diff --git a/tests/env.rs b/tests/env.rs
index 2ee67de5..3a24bde5 100644
--- a/tests/env.rs
+++ b/tests/env.rs
@@ -191,7 +191,9 @@ fn test_parse_float() {
 
         // can't use `matches!` because of float value
         match config {
-            TestFloatEnum::Float(TestFloat { float_val }) => assert_eq!(float_val, 42.3),
+            TestFloatEnum::Float(TestFloat { float_val }) => {
+                assert!(float_cmp::approx_eq!(f64, float_val, 42.3))
+            }
         }
     })
 }
diff --git a/tests/file_json5.rs b/tests/file_json5.rs
index 4bc17d71..a1cb7332 100644
--- a/tests/file_json5.rs
+++ b/tests/file_json5.rs
@@ -84,7 +84,7 @@ fn test_error_parse() {
     assert_eq!(
         res.unwrap_err().to_string(),
         format!(
-            " --> 2:7\n  |\n2 |   ok: true␊\n  |       ^---\n  |\n  = expected null in {}",
+            " --> 2:7\n  |\n2 |   ok: true\n  |       ^---\n  |\n  = expected null in {}",
             path_with_extension.display()
         )
     );