diff --git a/clients/nodejs/sliderule/package.json b/clients/nodejs/sliderule/package.json
index 8efc1cb73..c242e4eaf 100644
--- a/clients/nodejs/sliderule/package.json
+++ b/clients/nodejs/sliderule/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@sliderule/sliderule",
   "description": "client for the SlideRule on-demand science data processing service",
-  "version": "3.4.0",
+  "version": "3.4.1",
   "keywords": [
     "sliderule"
   ],
diff --git a/clients/python/version.txt b/clients/python/version.txt
index c219f7237..3d67a549d 100644
--- a/clients/python/version.txt
+++ b/clients/python/version.txt
@@ -1 +1 @@
-v3.4.0
+v3.4.1
diff --git a/version.txt b/version.txt
index c219f7237..3d67a549d 100644
--- a/version.txt
+++ b/version.txt
@@ -1 +1 @@
-v3.4.0
+v3.4.1