diff --git a/pixi.toml b/pixi.toml
index b7c8504d6..10126a30f 100644
--- a/pixi.toml
+++ b/pixi.toml
@@ -12,7 +12,7 @@ platforms = ["osx-arm64", "osx-64", "linux-64"]
 ############################################
 [feature.feature_rattler_build]
 [feature.feature_rattler_build.dependencies]
-rattler-build = ">= 0.18.1"
+rattler-build = ">=0.18.1"
 python = "3.11.*"
 typer = "*"
 curl = "*"
diff --git a/recipes/recipes_emscripten/llvm/recipe.yaml b/recipes/recipes_emscripten/llvm/recipe.yaml
index 6cb19e538..7e408994c 100644
--- a/recipes/recipes_emscripten/llvm/recipe.yaml
+++ b/recipes/recipes_emscripten/llvm/recipe.yaml
@@ -1,5 +1,5 @@
 context:
-  version: 17.0.6
+  version: 19.1.0
 
 package:
   name: llvm
@@ -8,12 +8,12 @@ package:
 source:
   url: https://github.com/llvm/llvm-project/archive/refs/tags/llvmorg-${{ version
     }}.tar.gz
-  sha256: 81494d32e6f12ea6f73d6d25424dbd2364646011bb8f7e345ca870750aa27de1
+  sha256: 0a08341036ca99a106786f50f9c5cb3fbe458b3b74cab6089fd368d0edb2edfe
   patches:
   - patches/cross_compile.patch
 
 build:
-  number: 6
+  number: 0
 
 requirements:
   build: