diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index b1c8b745..44800a30 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -43,7 +43,7 @@ repos:
         exclude: ^\.bumpversion\.cfg$
 
   - repo: https://github.com/python-jsonschema/check-jsonschema.git
-    rev: 0.36.0
+    rev: 0.36.1
     hooks:
       - id: check-github-actions
       - id: check-github-workflows
@@ -55,12 +55,12 @@ repos:
       - id: check-readthedocs
 
   - repo: https://github.com/rhysd/actionlint
-    rev: v1.7.9
+    rev: v1.7.10
     hooks:
       - id: actionlint
 
   - repo: https://github.com/kynan/nbstripout
-    rev: 0.8.2
+    rev: 0.9.0
     hooks:
       - id: nbstripout
 
@@ -92,7 +92,7 @@ repos:
           - mdformat-myst
 
   - repo: https://github.com/abravalheri/validate-pyproject
-    rev: v0.24.1
+    rev: v0.25
     hooks:
       - id: validate-pyproject
 
@@ -104,7 +104,7 @@ repos:
         additional_dependencies: [setuptools-scm]
 
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.14.10
+    rev: v0.15.0
     hooks:
       - id: ruff-format
       - id: ruff
diff --git a/src/ridgeplot/_color/utils.py b/src/ridgeplot/_color/utils.py
index d20bcdb1..a4946e4a 100644
--- a/src/ridgeplot/_color/utils.py
+++ b/src/ridgeplot/_color/utils.py
@@ -50,7 +50,7 @@ def to_rgb(color: Color) -> str:
 
 
 def unpack_rgb(rgb: str) -> tuple[float, float, float, float] | tuple[float, float, float]:
-    prefix = rgb.split("(")[0] + "("
+    prefix = rgb.split("(", maxsplit=1)[0] + "("
     values_str = map(str.strip, rgb.removeprefix(prefix).removesuffix(")").split(","))
     values_num = tuple(int(v) if v.isdecimal() else float(v) for v in values_str)
     return cast("tuple[float, float, float, float] | tuple[float, float, float]", values_num)