diff --git a/packages/schema/setup.cfg b/packages/schema/setup.cfg
index e2a207464ad..e49758b1208 100644
--- a/packages/schema/setup.cfg
+++ b/packages/schema/setup.cfg
@@ -14,7 +14,7 @@ version = 26.0.2.dev0
 [options]
 include_package_data = True
 install_requires =
-    galaxy-tool-util-models
+    galaxy-tool-util-models>=26.0
     galaxy-util
     pydantic[email]>=2.7.4
 packages = find:
diff --git a/packages/tool_shed_schema/setup.cfg b/packages/tool_shed_schema/setup.cfg
index 34992722071..2104f1efbde 100644
--- a/packages/tool_shed_schema/setup.cfg
+++ b/packages/tool_shed_schema/setup.cfg
@@ -14,7 +14,7 @@ version = 26.0.2.dev0
 [options]
 include_package_data = True
 install_requires =
-    galaxy-tool-util-models
+    galaxy-tool-util-models>=26.0
     pydantic>=2.7.4
     typing-extensions
 packages = find:
diff --git a/packages/tool_util/setup.cfg b/packages/tool_util/setup.cfg
index b1ca68fba60..0264505ee5c 100644
--- a/packages/tool_util/setup.cfg
+++ b/packages/tool_util/setup.cfg
@@ -14,7 +14,7 @@ version = 26.0.2.dev0
 [options]
 include_package_data = True
 install_requires =
-    galaxy-tool-util-models
+    galaxy-tool-util-models>=26.0
     galaxy-util[template,image-util]>=22.1
     conda-package-streaming
     lxml!=4.2.2