diff --git a/pyproject.toml b/pyproject.toml
index 3e21b9b1ea..526ec97ef2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -21,7 +21,7 @@ dependencies = [
     "pydantic>=2.0",
     "pydantic-numpy",
     "stamina>=23.1.0",
-    "scanspec>=0.8",
+    "scanspec>=0.9.0",
     "velocity-profile",
 ]
 dynamic = ["version"]
@@ -63,7 +63,6 @@ dev = [
     "pytest-rerunfailures",
     "pytest-timeout",
     "ruff",
-    "scanspec>=1.0a1",
     "sphinx-autobuild",
     "sphinx-autodoc2",
     "sphinxcontrib-mermaid",