diff --git a/pkgs/development/python-modules/llvmlite/default.nix b/pkgs/development/python-modules/llvmlite/default.nix
index 02ee088782a..609dcb82237 100644
--- a/pkgs/development/python-modules/llvmlite/default.nix
+++ b/pkgs/development/python-modules/llvmlite/default.nix
@@ -12,13 +12,13 @@
 
 buildPythonPackage rec {
   pname = "llvmlite";
-  version = "0.34.0";
+  version = "0.35.0";
 
   disabled = isPyPy || !isPy3k;
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "f03ee0d19bca8f2fe922bb424a909d05c28411983b0c2bc58b020032a0d11f63";
+    sha256 = "80e51d5aa02ad72da9870e89d21f9b152b0220ca551b4596a6c0614bcde336fc";
   };
 
   nativeBuildInputs = [ llvm ];
diff --git a/pkgs/development/python-modules/numba/default.nix b/pkgs/development/python-modules/numba/default.nix
index 3f67c044dea..48ed52499c5 100644
--- a/pkgs/development/python-modules/numba/default.nix
+++ b/pkgs/development/python-modules/numba/default.nix
@@ -1,5 +1,6 @@
 { lib
 , stdenv
+, pythonAtLeast
 , pythonOlder
 , fetchPypi
 , python
@@ -11,14 +12,14 @@
 }:
 
 buildPythonPackage rec {
-  version = "0.51.2";
+  version = "0.52.0";
   pname = "numba";
-  # uses f-strings
-  disabled = pythonOlder "3.6";
+  # uses f-strings, python 3.9 is not yet supported
+  disabled = pythonOlder "3.6" || pythonAtLeast "3.9";
 
   src = fetchPypi {
     inherit pname version;
-    sha256 = "16bd59572114adbf5f600ea383880d7b2071ae45477e84a24994e089ea390768";
+    sha256 = "44661c5bd85e3d3619be0a40eedee34e397e9ccb3d4c458b70e10bf95d1ce933";
   };
 
   NIX_CFLAGS_COMPILE = lib.optionalString stdenv.isDarwin "-I${libcxx}/include/c++/v1";