diff --git a/.github/workflows/ci-post-merge.yml b/.github/workflows/ci-post-merge.yml
index ce255693f..9c90d5a05 100644
--- a/.github/workflows/ci-post-merge.yml
+++ b/.github/workflows/ci-post-merge.yml
@@ -31,7 +31,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: nightly
 
@@ -81,7 +81,7 @@ jobs:
           echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 78915a2b5..6dc85ec1f 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -44,7 +44,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -101,7 +101,7 @@ jobs:
           echo "RUSTFLAGS=-C target-feature=+crt-static" >> $GITHUB_ENV
 
       - name: Install Rust (${{ matrix.version.name }})
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: ${{ matrix.version.version }}
 
@@ -137,7 +137,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: nightly
 
diff --git a/.github/workflows/coverage.yml b/.github/workflows/coverage.yml
index b6a8df2a9..d5490ae1d 100644
--- a/.github/workflows/coverage.yml
+++ b/.github/workflows/coverage.yml
@@ -25,7 +25,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: nightly
           components: llvm-tools-preview
diff --git a/.github/workflows/lint.yml b/.github/workflows/lint.yml
index 58a66d5b5..0b274c5a4 100644
--- a/.github/workflows/lint.yml
+++ b/.github/workflows/lint.yml
@@ -16,7 +16,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust (nightly)
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           toolchain: nightly
           components: rustfmt
@@ -34,7 +34,7 @@ jobs:
       - uses: actions/checkout@v4
 
       - name: Install Rust
-        uses: actions-rust-lang/setup-rust-toolchain@v1.10.1
+        uses: actions-rust-lang/setup-rust-toolchain@v1.11.0
         with:
           components: clippy
 
diff --git a/justfile b/justfile
index fb2425452..5430d1235 100644
--- a/justfile
+++ b/justfile
@@ -49,6 +49,8 @@ test:
 [private]
 downgrade-for-msrv:
     cargo update -p=native-tls --precise=0.2.13
+    cargo update -p=litemap --precise=0.7.4
+    cargo update -p=zerofrom --precise=0.1.5
 
 # Test workspace using MSRV.
 [group("test")]