diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 0848d59295a..15014907a8d 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -474,7 +474,7 @@ jobs:
       - name: Install ruff
         uses: astral-sh/ruff-action@4919ec5cf1f49eff0871dbcea0da843445b837e6 # v3.6.1
         with:
-          version: "0.15.4"
+          version: "0.15.5"
           args: "--version"
 
       - run: ruff check --diff
diff --git a/Cargo.lock b/Cargo.lock
index ed6a4eadd43..f117eb9281e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2863,7 +2863,7 @@ dependencies = [
 [[package]]
 name = "ruff_python_ast"
 version = "0.0.0"
-source = "git+https://github.com/astral-sh/ruff.git?rev=f14edd8661e2803254f89265548c7487f47a09f6#f14edd8661e2803254f89265548c7487f47a09f6"
+source = "git+https://github.com/astral-sh/ruff.git?rev=5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be#5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be"
 dependencies = [
  "aho-corasick",
  "bitflags 2.11.0",
@@ -2881,7 +2881,7 @@ dependencies = [
 [[package]]
 name = "ruff_python_parser"
 version = "0.0.0"
-source = "git+https://github.com/astral-sh/ruff.git?rev=f14edd8661e2803254f89265548c7487f47a09f6#f14edd8661e2803254f89265548c7487f47a09f6"
+source = "git+https://github.com/astral-sh/ruff.git?rev=5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be#5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be"
 dependencies = [
  "bitflags 2.11.0",
  "bstr",
@@ -2901,7 +2901,7 @@ dependencies = [
 [[package]]
 name = "ruff_python_trivia"
 version = "0.0.0"
-source = "git+https://github.com/astral-sh/ruff.git?rev=f14edd8661e2803254f89265548c7487f47a09f6#f14edd8661e2803254f89265548c7487f47a09f6"
+source = "git+https://github.com/astral-sh/ruff.git?rev=5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be#5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be"
 dependencies = [
  "itertools 0.14.0",
  "ruff_source_file",
@@ -2912,7 +2912,7 @@ dependencies = [
 [[package]]
 name = "ruff_source_file"
 version = "0.0.0"
-source = "git+https://github.com/astral-sh/ruff.git?rev=f14edd8661e2803254f89265548c7487f47a09f6#f14edd8661e2803254f89265548c7487f47a09f6"
+source = "git+https://github.com/astral-sh/ruff.git?rev=5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be#5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be"
 dependencies = [
  "memchr",
  "ruff_text_size",
@@ -2921,7 +2921,7 @@ dependencies = [
 [[package]]
 name = "ruff_text_size"
 version = "0.0.0"
-source = "git+https://github.com/astral-sh/ruff.git?rev=f14edd8661e2803254f89265548c7487f47a09f6#f14edd8661e2803254f89265548c7487f47a09f6"
+source = "git+https://github.com/astral-sh/ruff.git?rev=5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be#5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be"
 dependencies = [
  "get-size2",
 ]
diff --git a/Cargo.toml b/Cargo.toml
index 664340c23cf..69569f5603a 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -155,12 +155,12 @@ rustpython-sre_engine = { path = "crates/sre_engine", version = "0.4.0" }
 rustpython-wtf8 = { path = "crates/wtf8", version = "0.4.0" }
 rustpython-doc = { path = "crates/doc", version = "0.4.0" }
 
-# Ruff tag 0.15.4 is based on commit f14edd8661e2803254f89265548c7487f47a09f6
+# Ruff tag 0.15.5 is based on commit 5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be
 # at the time of this capture. We use the commit hash to ensure reproducible builds.
-ruff_python_parser = { git = "https://github.com/astral-sh/ruff.git", rev = "f14edd8661e2803254f89265548c7487f47a09f6" }
-ruff_python_ast = { git = "https://github.com/astral-sh/ruff.git", rev = "f14edd8661e2803254f89265548c7487f47a09f6" }
-ruff_text_size = { git = "https://github.com/astral-sh/ruff.git", rev = "f14edd8661e2803254f89265548c7487f47a09f6" }
-ruff_source_file = { git = "https://github.com/astral-sh/ruff.git", rev = "f14edd8661e2803254f89265548c7487f47a09f6" }
+ruff_python_parser = { git = "https://github.com/astral-sh/ruff.git", rev = "5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be" }
+ruff_python_ast = { git = "https://github.com/astral-sh/ruff.git", rev = "5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be" }
+ruff_text_size = { git = "https://github.com/astral-sh/ruff.git", rev = "5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be" }
+ruff_source_file = { git = "https://github.com/astral-sh/ruff.git", rev = "5e4a3d9c3b381df20f6a52caef0f56ed0ebc74be" }
 
 phf = { version = "0.13.1", default-features = false, features = ["macros"]}
 ahash = "0.8.12"