diff --git a/pyproject.toml b/pyproject.toml
index 7331cc9c..7c335a84 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -15,7 +15,7 @@ classifiers = [
   "Operating System :: OS Independent",
 ]
 dependencies = [
-  "labthings-fastapi[server] ~= 0.0.4",
+  "labthings-fastapi[server] == 0.0.6",
   "labthings-sangaboard",
   "camera-stage-mapping ~= 0.1.6",
   "numpy ~= 1.20",
@@ -31,7 +31,7 @@ dev = [
   "labthings-fastapi[dev]",
 ]
 pi = [
-  "labthings-picamera2",
+  "labthings-picamera2 == 0.0.1-dev1",
 ]
 
 [project.scripts]