diff --git a/pyproject.toml b/pyproject.toml
index 34d1fb65..d796272d 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -41,7 +41,7 @@ classifiers = [
 
 dependencies = [
   "bluesky",  # Bluesky framework
-  "ophyd-async[ca] == 0.12.3",  # Device abstraction
+  "ophyd-async[ca] == 0.13.0",  # Device abstraction
   "matplotlib",  # Plotting
   "lmfit",  # Fitting
   "scipy",  # Definitions of erf/erfc functions