diff --git a/.github/workflows/python-package.yml b/.github/workflows/python-package.yml
index 74307b54..5c79cc45 100644
--- a/.github/workflows/python-package.yml
+++ b/.github/workflows/python-package.yml
@@ -64,9 +64,6 @@ jobs:
           - test_system.py
           - test_task.py
           - test_volume.py
-        pydantic-version:
-          - pydantic==1.9
-          - pydantic==2.*
     runs-on: ubuntu-latest
     steps:
       - uses: actions/checkout@v4
@@ -76,7 +73,6 @@ jobs:
       - name: Setup
         run: |
           ./scripts/ci-setup.sh
-          pip install --upgrade ${{ matrix.pydantic-version }}
       - name: Run tests
         run: |
           python -m pytest -vv --no-runtime-skip --durations=10 tests/python_on_whales/components/${{ matrix.component }}
diff --git a/python_on_whales/docker_client.py b/python_on_whales/docker_client.py
index dfc2c3c9..fb5599e8 100644
--- a/python_on_whales/docker_client.py
+++ b/python_on_whales/docker_client.py
@@ -33,29 +33,23 @@
 class ClientVersion(DockerCamelModel):
     platform: Optional[Dict[str, str]] = None
     version: Optional[str] = None
-    if pydantic.VERSION.startswith("1."):
-        api_version: Optional[str] = None
-    else:
-        api_version: Annotated[
-            Optional[str],
-            pydantic.Field(
-                validation_alias=pydantic.AliasChoices("APIVersion", "ApiVersion")
-            ),
-        ] = None
+    api_version: Annotated[
+        Optional[str],
+        pydantic.Field(
+            validation_alias=pydantic.AliasChoices("APIVersion", "ApiVersion")
+        ),
+    ] = None
     default_api_version: Optional[str] = None
     git_commit: Optional[str] = None
     go_version: Optional[str] = None
     os: Optional[str] = None
     arch: Optional[str] = None
-    if pydantic.VERSION.startswith("1."):
-        build_time: Optional[str] = None
-    else:
-        build_time: Annotated[
-            Optional[str],
-            pydantic.Field(
-                validation_alias=pydantic.AliasChoices("BuildTime", "BuiltTime")
-            ),
-        ] = None
+    build_time: Annotated[
+        Optional[str],
+        pydantic.Field(
+            validation_alias=pydantic.AliasChoices("BuildTime", "BuiltTime")
+        ),
+    ] = None
     context: Optional[str] = None
     experimental: Optional[bool] = None
 
@@ -70,30 +64,24 @@ class ServerVersion(DockerCamelModel):
     platform: Optional[Dict[str, str]] = None
     components: Optional[List[ServerVersionComponent]] = None
     version: Optional[str] = None
-    if pydantic.VERSION.startswith("1."):
-        api_version: Optional[str] = None
-    else:
-        api_version: Annotated[
-            Optional[str],
-            pydantic.Field(
-                validation_alias=pydantic.AliasChoices("APIVersion", "ApiVersion")
-            ),
-        ] = None
+    api_version: Annotated[
+        Optional[str],
+        pydantic.Field(
+            validation_alias=pydantic.AliasChoices("APIVersion", "ApiVersion")
+        ),
+    ] = None
     min_api_version: Optional[str] = None
     git_commit: Optional[str] = None
     go_version: Optional[str] = None
     os: Optional[str] = None
     arch: Optional[str] = None
     kernel_version: Optional[str] = None
-    if pydantic.VERSION.startswith("1."):
-        build_time: Optional[str] = None
-    else:
-        build_time: Annotated[
-            Optional[str],
-            pydantic.Field(
-                validation_alias=pydantic.AliasChoices("BuildTime", "BuiltTime")
-            ),
-        ] = None
+    build_time: Annotated[
+        Optional[str],
+        pydantic.Field(
+            validation_alias=pydantic.AliasChoices("BuildTime", "BuiltTime")
+        ),
+    ] = None
 
 
 class Version(DockerCamelModel):
diff --git a/requirements.txt b/requirements.txt
index 19bd041f..59ed2b33 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
-pydantic>=1.9,<3,!=2.0.*
+pydantic>=2,<3,!=2.0.*
 requests
 tqdm
 typer>=0.4.1