diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9575994d..63b31107 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,9 @@
 # Changelog
 
+## [3.5.1] - 2025-10-23
+
+- Improved error reporting in some cases.
+
 ## [3.5.0] - 2025-10-09
 
 - Improved exercise submission packaging to avoid overly large archives
diff --git a/bin/updateLangs.bash b/bin/updateLangs.bash
index 6321bcf7..62b5b790 100644
--- a/bin/updateLangs.bash
+++ b/bin/updateLangs.bash
@@ -24,3 +24,5 @@ echo "$GENERATED" | npx prettier --parser typescript >> "$BINDINGS_DOWNLOAD_TARG
 
 # update version number
 sed -i s/"TMC_LANGS_RUST_VERSION = .*"/"TMC_LANGS_RUST_VERSION = \"${VERSION}\";/" ./config.js
+
+echo "Complete!"
diff --git a/config.js b/config.js
index a8f9f375..138faedd 100644
--- a/config.js
+++ b/config.js
@@ -3,7 +3,7 @@
 
 const path = require("path");
 
-const TMC_LANGS_RUST_VERSION = "0.39.1";
+const TMC_LANGS_RUST_VERSION = "0.39.3";
 
 const mockTmcLocalMooc = {
     __TMC_BACKEND_URL__: JSON.stringify("http://localhost:4001"),
diff --git a/package-lock.json b/package-lock.json
index e5c8dac0..454e4d1d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
     "name": "test-my-code",
-    "version": "3.5.0",
+    "version": "3.5.1",
     "lockfileVersion": 3,
     "requires": true,
     "packages": {
         "": {
             "name": "test-my-code",
-            "version": "3.5.0",
+            "version": "3.5.1",
             "hasInstallScript": true,
             "license": "MIT",
             "dependencies": {
diff --git a/package.json b/package.json
index 14ffd76e..f642e06a 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
     "name": "test-my-code",
     "displayName": "TestMyCode",
-    "version": "3.5.0",
+    "version": "3.5.1",
     "description": "TestMyCode extension for Visual Studio Code",
     "categories": [
         "Education",
diff --git a/shared/langsSchema.ts b/shared/langsSchema.ts
index 254b1d54..f527e0ff 100644
--- a/shared/langsSchema.ts
+++ b/shared/langsSchema.ts
@@ -1,5 +1,5 @@
-// VERSION=0.38.3
-// https://raw.githubusercontent.com/rage/tmc-langs-rust/0.38.3/crates/tmc-langs-cli/bindings.d.ts
+// VERSION=0.39.3
+// https://raw.githubusercontent.com/rage/tmc-langs-rust/0.39.3/crates/tmc-langs-cli/bindings.d.ts
 
 export type Locale = string;
 
diff --git a/webview-ui/src/panels/Welcome.svelte b/webview-ui/src/panels/Welcome.svelte
index 79c0d85a..be29104d 100644
--- a/webview-ui/src/panels/Welcome.svelte
+++ b/webview-ui/src/panels/Welcome.svelte
@@ -72,6 +72,12 @@
         <!-- This list should generally contain only the last couple versions/months worth of updates -->
 
         <div class="content_section">
+            <h3>3.5.1 - 2025-10-23</h3>
+            <h4>Improved error reporting in some cases</h4>
+            <p>
+                Previously, certain error conditions resulted in error messages with some useful
+                information left out. This information should now be included in all error messages.
+            </p>
             <h3>3.5.0 - 2025-10-09</h3>
             <h4>Improved exercise submission packaging to avoid overly large archives</h4>
             <p>