diff --git a/requirements_dev.in b/requirements_dev.in
index e273b92..fda6236 100644
--- a/requirements_dev.in
+++ b/requirements_dev.in
@@ -5,7 +5,7 @@ selenium>=4.7.2,<4.27
 
 flake8>=6.0,<6.1
 
-black>=22.12.0,<23
+black>=22.12.0,<27
 # black changes the format slightly in newer versions
 # Stability Policy: https://black.readthedocs.io/en/stable/the_black_code_style/index.html#stability-policy
 
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 614ec4a..178349a 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -17,7 +17,7 @@ attrs==25.3.0
     #   trio
 backports-datetime-fromisoformat==2.0.3
     # via flattentool
-black==22.12.0
+black==26.3.1
     # via -r requirements_dev.in
 btrees==6.1
     # via zodb
@@ -123,8 +123,10 @@ outcome==1.3.0.post0
     #   trio
     #   trio-websocket
 packaging==25.0
-    # via chromedriver-autoinstaller
-pathspec==0.12.1
+    # via
+    #   black
+    #   chromedriver-autoinstaller
+pathspec==1.0.4
     # via black
 persistent==6.1.1
     # via
@@ -150,6 +152,8 @@ python-dateutil==2.9.0.post0
     # via
     #   faker
     #   lib360dataquality
+pytokens==0.4.1
+    # via black
 pytz==2025.2
     # via flattentool
 pyyaml==6.0.2