diff --git a/build/pkgs/cython/checksums.ini b/build/pkgs/cython/checksums.ini
index 5d0bc66c242..1c8178ae701 100644
--- a/build/pkgs/cython/checksums.ini
+++ b/build/pkgs/cython/checksums.ini
@@ -1,5 +1,5 @@
 tarball=Cython-VERSION.tar.gz
-sha1=08eb99f7c95b7ca667b1547575e7369d8064b4b3
-md5=00def3f2b96c393098e01eb2f1f169ad
-cksum=2321746451
+sha1=c29c8b39c36f04a74eb8891bb0653f89144293df
+md5=ea2d206653f67e4783f82c07b531fb21
+cksum=2237745899
 upstream_url=https://pypi.io/packages/source/C/Cython/Cython-VERSION.tar.gz
diff --git a/build/pkgs/cython/package-version.txt b/build/pkgs/cython/package-version.txt
index b5021469305..75a22a26ac4 100644
--- a/build/pkgs/cython/package-version.txt
+++ b/build/pkgs/cython/package-version.txt
@@ -1 +1 @@
-3.0.2
+3.0.3