diff --git a/flake.nix b/flake.nix
index d1070190..75fad52c 100644
--- a/flake.nix
+++ b/flake.nix
@@ -26,7 +26,7 @@
             #     cd src; prefetch-npm-deps package-lock.json
             srcNpmDeps = pkgs.fetchNpmDeps {
               src = "${self}/src";
-              hash = "sha256-KjG55UsbDIMxc5lRzSpqmmfc/tGKOwxXD6Gb+3lVLYU=";
+              hash = "sha256-8sNPXmBhFbnE+4TYVGZTF2iK2eU42fWBb1kqZLppMY4=";
             };
 
             inherit system;
diff --git a/packages/webr/DESCRIPTION b/packages/webr/DESCRIPTION
index 00337b82..4fa9f9a4 100644
--- a/packages/webr/DESCRIPTION
+++ b/packages/webr/DESCRIPTION
@@ -1,7 +1,7 @@
 Type: Package
 Package: webr
 Title: WebR Support Package
-Version: 0.4.1.9000
+Version: 0.4.2
 Authors@R: c(
     person("George", "Stagg", , "george.stagg@posit.co", role = c("aut", "cre")),
     person("Lionel", "Henry", , "lionel@posit.co", role = "aut"),
diff --git a/src/package-lock.json b/src/package-lock.json
index ce03e61a..0fbec7eb 100644
--- a/src/package-lock.json
+++ b/src/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "webr",
-  "version": "0.4.2-dev",
+  "version": "0.4.2",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "webr",
-      "version": "0.4.2-dev",
+      "version": "0.4.2",
       "license": "SEE LICENSE IN LICENCE.md",
       "dependencies": {
         "@codemirror/autocomplete": "^6.8.1",
diff --git a/src/package.json b/src/package.json
index edfc60ad..652729e8 100644
--- a/src/package.json
+++ b/src/package.json
@@ -1,6 +1,6 @@
 {
   "name": "webr",
-  "version": "0.4.2-dev",
+  "version": "0.4.2",
   "description": "The statistical programming language R compiled into WASM for use in a web browser and node.",
   "keywords": [
     "webR",