diff --git a/conda/environments/all_cuda-118_arch-x86_64.yaml b/conda/environments/all_cuda-118_arch-x86_64.yaml
index c038513af..53e8ad163 100644
--- a/conda/environments/all_cuda-118_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-118_arch-x86_64.yaml
@@ -30,7 +30,7 @@ dependencies:
 - numpy>=1.21.3
 - numpydoc
 - nvcc_linux-64=11.8
-- openslide-python>=1.1.2
+- openslide-python>=1.3.0
 - pip
 - pooch>=1.6.0
 - pre-commit
diff --git a/conda/environments/all_cuda-120_arch-x86_64.yaml b/conda/environments/all_cuda-120_arch-x86_64.yaml
index 18f61bf9f..1084ea629 100644
--- a/conda/environments/all_cuda-120_arch-x86_64.yaml
+++ b/conda/environments/all_cuda-120_arch-x86_64.yaml
@@ -29,7 +29,7 @@ dependencies:
 - ninja
 - numpy>=1.21.3
 - numpydoc
-- openslide-python>=1.1.2
+- openslide-python>=1.3.0
 - pip
 - pooch>=1.6.0
 - pre-commit
diff --git a/dependencies.yaml b/dependencies.yaml
index 3e7732126..1f1a3dfd3 100644
--- a/dependencies.yaml
+++ b/dependencies.yaml
@@ -256,7 +256,7 @@ dependencies:
         packages:
           - imagecodecs>=2021.6.8
           - matplotlib-base
-          - openslide-python>=1.1.2
+          - openslide-python>=1.3.0
           - pip
           - pip:
             - opencv-python-headless>=4.6
@@ -264,7 +264,7 @@ dependencies:
         packages:
           # skip packages on arm64 that don't provide a wheel
           - imagecodecs>=2021.6.8; platform_machine=='x86_64'
-          - openslide-python>=1.1.2; platform_machine=='x86_64'
+          - openslide-python>=1.3.0; platform_machine=='x86_64'
           - matplotlib
           - opencv-python-headless>=4.6
           - click
diff --git a/python/cucim/pyproject.toml b/python/cucim/pyproject.toml
index 880b1a06c..05e058479 100644
--- a/python/cucim/pyproject.toml
+++ b/python/cucim/pyproject.toml
@@ -65,7 +65,7 @@ test = [
     "imagecodecs>=2021.6.8; platform_machine=='x86_64'",
     "matplotlib",
     "opencv-python-headless>=4.6",
-    "openslide-python>=1.1.2; platform_machine=='x86_64'",
+    "openslide-python>=1.3.0; platform_machine=='x86_64'",
     "pooch>=1.6.0",
     "psutil>=5.8.0",
     "pytest-cov>=2.12.1",
diff --git a/python/cucim/requirements-test.txt b/python/cucim/requirements-test.txt
index e8324ced4..036edf6c5 100644
--- a/python/cucim/requirements-test.txt
+++ b/python/cucim/requirements-test.txt
@@ -1,6 +1,6 @@
 GPUtil>=1.4.0
 imagecodecs>=2021.6.8
-openslide-python>=1.1.2
+openslide-python>=1.3.0
 opencv-python-headless>=4.6
 psutil>=5.8.0
 pytest>=6.2.4