diff --git a/dev/env-py38.yaml b/dev/env-py38.yaml
index c96e8f7d..1acb6ec4 100644
--- a/dev/env-py38.yaml
+++ b/dev/env-py38.yaml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - bioimageio.spec>=0.5.3.2
+  - bioimageio.spec>=0.5.3.3
   - black
   - crick # uncommented
   - filelock
diff --git a/dev/env-tf.yaml b/dev/env-tf.yaml
index 455e9e01..1e0d4dcc 100644
--- a/dev/env-tf.yaml
+++ b/dev/env-tf.yaml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - bioimageio.spec>=0.5.3.2
+  - bioimageio.spec>=0.5.3.3
   - black
   # - crick  # currently requires python<=3.9
   - filelock
diff --git a/dev/env-wo-python.yaml b/dev/env-wo-python.yaml
index 9a8c2119..26139649 100644
--- a/dev/env-wo-python.yaml
+++ b/dev/env-wo-python.yaml
@@ -4,7 +4,7 @@ channels:
   - conda-forge
   - defaults
 dependencies:
-  - bioimageio.spec>=0.5.3.2
+  - bioimageio.spec>=0.5.3.3
   - black
   # - crick  # currently requires python<=3.9
   - filelock
diff --git a/dev/env.yaml b/dev/env.yaml
index b18482e3..951029ef 100644
--- a/dev/env.yaml
+++ b/dev/env.yaml
@@ -2,7 +2,7 @@ name: core
 channels:
   - conda-forge
 dependencies:
-  - bioimageio.spec>=0.5.3.2
+  - bioimageio.spec>=0.5.3.3
   - black
   # - crick  # currently requires python<=3.9
   - filelock