diff --git a/packages/abstractions/requirements-dev.txt b/packages/abstractions/requirements-dev.txt
index 8c08a297..a04ac498 100644
--- a/packages/abstractions/requirements-dev.txt
+++ b/packages/abstractions/requirements-dev.txt
@@ -3,5 +3,5 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
diff --git a/packages/authentication/azure/requirements-dev.txt b/packages/authentication/azure/requirements-dev.txt
index 3671a9cc..4f98fde2 100644
--- a/packages/authentication/azure/requirements-dev.txt
+++ b/packages/authentication/azure/requirements-dev.txt
@@ -4,6 +4,6 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
 pytest-mock>=3.15.1,<4.0.0
diff --git a/packages/http/httpx/requirements-dev.txt b/packages/http/httpx/requirements-dev.txt
index 3671a9cc..4f98fde2 100644
--- a/packages/http/httpx/requirements-dev.txt
+++ b/packages/http/httpx/requirements-dev.txt
@@ -4,6 +4,6 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
 pytest-mock>=3.15.1,<4.0.0
diff --git a/packages/serialization/form/requirements-dev.txt b/packages/serialization/form/requirements-dev.txt
index 6657e044..daa01b2d 100644
--- a/packages/serialization/form/requirements-dev.txt
+++ b/packages/serialization/form/requirements-dev.txt
@@ -4,6 +4,6 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
 types-python-dateutil>=2.9.0.20260518,<3.0.0
diff --git a/packages/serialization/json/requirements-dev.txt b/packages/serialization/json/requirements-dev.txt
index e47fc0df..0618b259 100644
--- a/packages/serialization/json/requirements-dev.txt
+++ b/packages/serialization/json/requirements-dev.txt
@@ -4,5 +4,5 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
diff --git a/packages/serialization/multipart/requirements-dev.txt b/packages/serialization/multipart/requirements-dev.txt
index 69de6275..4b2d2827 100644
--- a/packages/serialization/multipart/requirements-dev.txt
+++ b/packages/serialization/multipart/requirements-dev.txt
@@ -5,5 +5,5 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5
diff --git a/packages/serialization/text/requirements-dev.txt b/packages/serialization/text/requirements-dev.txt
index e47fc0df..0618b259 100644
--- a/packages/serialization/text/requirements-dev.txt
+++ b/packages/serialization/text/requirements-dev.txt
@@ -4,5 +4,5 @@ yapf>=0.43.0,<0.44.0
 isort>=8.0.1,<9.0.0
 pylint>=4.0.6,<5.0.0
 mypy>=2.1.0,<3.0.0
-pytest>=9.1.1,<10.0.0
+pytest>=9.1.0,<10.0.0
 pytest-asyncio>=1.4.0,<1.5