diff --git a/backend/cosmetology-app/lambdas/python/common/requirements-dev.in b/backend/cosmetology-app/lambdas/python/common/requirements-dev.in
index 1f0533a76..faf46865d 100644
--- a/backend/cosmetology-app/lambdas/python/common/requirements-dev.in
+++ b/backend/cosmetology-app/lambdas/python/common/requirements-dev.in
@@ -1,5 +1,5 @@
 # Keep attrs on 25.x to match root requirements.txt (jsii/cattrs); avoids pip-sync conflicts.
-attrs>=25.4,<26
+attrs>=26.1.0,<27
 moto[all]>=5.0.12, <6
 boto3-stubs[full]
 Faker>=40, <41
diff --git a/backend/cosmetology-app/lambdas/python/common/requirements-dev.txt b/backend/cosmetology-app/lambdas/python/common/requirements-dev.txt
index a30103cc2..a197e3325 100644
--- a/backend/cosmetology-app/lambdas/python/common/requirements-dev.txt
+++ b/backend/cosmetology-app/lambdas/python/common/requirements-dev.txt
@@ -8,9 +8,9 @@ annotated-types==0.7.0
     # via pydantic
 antlr4-python3-runtime==4.13.2
     # via moto
-attrs==25.4.0
+attrs==26.1.0
     # via
-    #   -r common/requirements-dev.in
+    #   -r requirements-dev.in
     #   jsonschema
     #   referencing
 aws-sam-translator==1.103.0
@@ -24,7 +24,7 @@ boto3==1.42.89
     #   aws-sam-translator
     #   moto
 boto3-stubs[full]==1.42.90
-    # via -r common/requirements-dev.in
+    # via -r requirements-dev.in
 boto3-stubs-full==1.42.90
     # via boto3-stubs
 botocore==1.42.90
@@ -45,13 +45,13 @@ charset-normalizer==3.4.7
     # via requests
 cryptography==46.0.7
     # via
-    #   -r common/requirements-dev.in
+    #   -r requirements-dev.in
     #   joserfc
     #   moto
 docker==7.1.0
     # via moto
 faker==40.13.0
-    # via -r common/requirements-dev.in
+    # via -r requirements-dev.in
 graphql-core==3.2.8
     # via moto
 idna==3.11
@@ -89,7 +89,7 @@ markupsafe==3.0.3
     #   jinja2
     #   werkzeug
 moto[all]==5.1.22
-    # via -r common/requirements-dev.in
+    # via -r requirements-dev.in
 mpmath==1.3.0
     # via sympy
 multipart==1.3.1