diff --git a/build/pkgs/cython/checksums.ini b/build/pkgs/cython/checksums.ini
index a728e447c9b..8a3547fe2b3 100644
--- a/build/pkgs/cython/checksums.ini
+++ b/build/pkgs/cython/checksums.ini
@@ -1,5 +1,5 @@
 tarball=Cython-VERSION.tar.gz
-sha1=9924cb41152a854124c264e2046b3d48ec8207a5
-md5=9bafc611be35748b17a62f47bc479b35
-cksum=1074764487
+sha1=94945822403911b75608fa9689039187686437dd
+md5=3b08e76d112619ed9b5bc240b6b53cf4
+cksum=467020180
 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 b0f2dcb32fc..818bd47abfc 100644
--- a/build/pkgs/cython/package-version.txt
+++ b/build/pkgs/cython/package-version.txt
@@ -1 +1 @@
-3.0.4
+3.0.6