diff --git a/.github/workflows/tests.yml b/.github/workflows/tests.yml
index bb2e167e23..715dfa93d9 100644
--- a/.github/workflows/tests.yml
+++ b/.github/workflows/tests.yml
@@ -238,7 +238,7 @@ jobs:
       - name: Install Rust
         uses: dtolnay/rust-toolchain@e97e2d8cc328f1b50210efc529dca0028893a2d9 # master
         with:
-          toolchain: nightly-2025-04-23
+          toolchain: nightly-2026-02-01
           components: clippy
       - uses: Swatinem/rust-cache@779680da715d629ac1d338a641029a2f4372abb5 # v2.8.2
 
diff --git a/Cargo.lock b/Cargo.lock
index 0edfef6869..8d1cd967d5 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1207,15 +1207,15 @@ dependencies = [
 
 [[package]]
 name = "serde_json"
-version = "1.0.145"
+version = "1.0.149"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "402a6f66d8c709116cf22f558eab210f5a50187f702eb4d7e5ef38d9a7f1c79c"
+checksum = "83fc039473c5595ace860d8c4fafa220ff474b3fc6bfdb4293327f1a37e94d86"
 dependencies = [
  "itoa",
  "memchr",
- "ryu",
  "serde",
  "serde_core",
+ "zmij",
 ]
 
 [[package]]
@@ -1921,3 +1921,9 @@ dependencies = [
  "quote",
  "syn",
 ]
+
+[[package]]
+name = "zmij"
+version = "1.0.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "3ff05f8caa9038894637571ae6b9e29466c1f4f829d26c9b28f869a29cbe3445"