diff --git a/pkgs/development/python-modules/llvmlite/default.nix b/pkgs/development/python-modules/llvmlite/default.nix
index 75defe9e288f..e3afe80624fb 100644
--- a/pkgs/development/python-modules/llvmlite/default.nix
+++ b/pkgs/development/python-modules/llvmlite/default.nix
@@ -1,6 +1,6 @@
 { lib
 , stdenv
-, fetchPypi
+, fetchFromGitHub
 , buildPythonPackage
 , python
 , llvm
@@ -12,13 +12,19 @@
 
 buildPythonPackage rec {
   pname = "llvmlite";
-  version = "0.40.1";
+  # The main dependency of llvmlite is numba, which we currently package an
+  # untagged version of it (for numpy>1.25 support). That numba version
+  # requires at least this version of llvmlite (also not yet officially
+  # released, but at least tagged).
+  version = "0.41.0dev0";
 
   disabled = isPyPy || !isPy3k;
 
-  src = fetchPypi {
-    inherit pname version;
-    hash = "sha256-XNsNRd9gIJnYM9UL2egTU6XgNiQtPAA8WylPxh0ZhrQ=";
+  src = fetchFromGitHub {
+    owner = "numba";
+    repo = "llvmlite";
+    rev = "v${version}";
+    hash = "sha256-fsH+rqouweNENU+YlWr7m0bC0YdreQLNp1n2rwrOiFw=";
   };
 
   nativeBuildInputs = [ llvm ];
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index 6fb9adb91233..6a0190984d00 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -6068,7 +6068,7 @@ self: super: with self; {
 
   llvmlite = callPackage ../development/python-modules/llvmlite {
     # llvmlite always requires a specific version of llvm.
-    llvm = pkgs.llvm_11;
+    llvm = pkgs.llvm_14;
   };
 
   lmdb = callPackage ../development/python-modules/lmdb {