diff --git a/.pre-commit-config.yaml b/.pre-commit-config.yaml
index e1e6c325..b86f4350 100644
--- a/.pre-commit-config.yaml
+++ b/.pre-commit-config.yaml
@@ -30,14 +30,14 @@ repos:
 
   ## Check the pyproject.toml file
   - repo: https://github.com/henryiii/validate-pyproject-schema-store
-    rev: 2026.03.15
+    rev: 2026.04.03
     hooks:
       - id: validate-pyproject
         priority: 0
 
   ## Check JSON schemata
   - repo: https://github.com/python-jsonschema/check-jsonschema
-    rev: 0.37.0
+    rev: 0.37.1
     hooks:
       - id: check-github-workflows
         priority: 0
@@ -56,14 +56,14 @@ repos:
 
   ## Check for spelling
   - repo: https://github.com/adhtruong/mirrors-typos
-    rev: v1.44.0
+    rev: v1.45.0
     hooks:
       - id: typos
         priority: 0
 
   ## Check best practices for scientific Python code
   - repo: https://github.com/scientific-python/cookie
-    rev: 2026.03.02
+    rev: 2026.04.04
     hooks:
       - id: sp-repo-review
         additional_dependencies: ["repo-review[cli]"]
@@ -78,7 +78,7 @@ repos:
 
   ## Ensure uv lock file is up-to-date
   - repo: https://github.com/astral-sh/uv-pre-commit
-    rev: 0.11.2
+    rev: 0.11.3
     hooks:
       - id: uv-lock
         priority: 0
@@ -114,7 +114,7 @@ repos:
 
   ## Python linting using ruff
   - repo: https://github.com/astral-sh/ruff-pre-commit
-    rev: v0.15.7
+    rev: v0.15.9
     hooks:
       - id: ruff-format
         priority: 1
@@ -147,7 +147,7 @@ repos:
 
   ## Static type checking using mypy (needs to run after lockfile update/ruff format, and ruff lint)
   - repo: https://github.com/pre-commit/mirrors-mypy
-    rev: v1.19.1
+    rev: v1.20.0
     hooks:
       - id: mypy
         files: ^(src/mqt|tests|noxfile.py)
diff --git a/src/mqt/problemsolver/tsp.py b/src/mqt/problemsolver/tsp.py
index d90b4262..21ccde8a 100644
--- a/src/mqt/problemsolver/tsp.py
+++ b/src/mqt/problemsolver/tsp.py
@@ -310,8 +310,7 @@ def encode_eigenstate(
         for i in range(len(eigen_register)):
             if eigenstate[i] == "1":
                 qc.x(eigen_register[i])
-            if eigenstate[i] == "0":
-                pass
+            eigenstate[i] == "0"
         qc.barrier()
         return qc