diff --git a/scripts/generate-og-languages.cjs b/scripts/generate-og-languages.cjs
index a6a7b70..0e53cc8 100644
--- a/scripts/generate-og-languages.cjs
+++ b/scripts/generate-og-languages.cjs
@@ -29,7 +29,7 @@ const LANGS = [
     // Row 1
     { name: 'APL',     version: 'Dyalog v20.0',     file: 'apl.png' },
     { name: 'BQN',     version: 'CBQN 0.12',        file: 'bqn.svg' },
-    { name: 'Uiua',    version: '0.19.1',      file: 'uiua.png' },
+    { name: 'Uiua',    version: '0.20.0-dev.1',      file: 'uiua.png' },
     // Row 2
     { name: 'Kap',     version: '2026-09-07',        file: 'kap.png' },
     { name: 'J',       version: 'J9.8.0-beta7',    file: 'j_logo.svg' },
diff --git a/scripts/known-versions.json b/scripts/known-versions.json
index b7b692d..cd8ffb1 100644
--- a/scripts/known-versions.json
+++ b/scripts/known-versions.json
@@ -1,6 +1,6 @@
 {
   "cbqn": "v0.12.0",
-  "uiua": "0.19.1",
+  "uiua": "0.20.0-dev.1",
   "kap": "20260907-1",
   "j": "9.8.0-beta7",
   "tinyapl": "0.12.0"
diff --git a/wasm/uiua_wasm_bg.wasm b/wasm/uiua_wasm_bg.wasm
index bc0f849..089c0ca 100644
Binary files a/wasm/uiua_wasm_bg.wasm and b/wasm/uiua_wasm_bg.wasm differ