diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index e7dee2b..9bf9ac3 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -17,7 +17,7 @@ env:
   CARGO_TERM_COLOR: always
   CARGO_INCREMENTAL: "0"
   CARGO_PROFILE_DEV_DEBUG: "0"
-  RUST_TOOLCHAIN_VERSION: "1.85.0"
+  RUST_TOOLCHAIN_VERSION: "1.97.1"
   RUSTFLAGS: "-D warnings"
   RUSTDOCFLAGS: "-D warnings"
   RUST_LOG: "info"
diff --git a/.github/workflows/pr_prek.yaml b/.github/workflows/pr_prek.yaml
index dfe9124..1337c1d 100644
--- a/.github/workflows/pr_prek.yaml
+++ b/.github/workflows/pr_prek.yaml
@@ -7,7 +7,7 @@ on:
 
 env:
   CARGO_TERM_COLOR: always
-  RUST_TOOLCHAIN_VERSION: "nightly-2025-05-26"
+  RUST_TOOLCHAIN_VERSION: "nightly-2026-08-23"
 
 permissions: {}
 
diff --git a/.github/workflows/publish-docs.yml b/.github/workflows/publish-docs.yml
index d0e5620..0c6c3c5 100644
--- a/.github/workflows/publish-docs.yml
+++ b/.github/workflows/publish-docs.yml
@@ -13,7 +13,7 @@ on:
       - crates/**
 
 env:
-  RUST_TOOLCHAIN_VERSION: "1.85.0"
+  RUST_TOOLCHAIN_VERSION: "1.97.1"
 
 permissions: {}
 
diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index 2249949..64a1984 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -66,7 +66,7 @@ repos:
       - id: cargo-rustfmt
         name: cargo-rustfmt
         language: system
-        entry: cargo +nightly-2025-05-26 fmt --all -- --check
+        entry: cargo +nightly-2026-08-23 fmt --all -- --check
         stages: [pre-commit, pre-merge-commit]
         pass_filenames: false
         files: \.rs$