diff --git a/build/pkgs/cypari/checksums.ini b/build/pkgs/cypari/checksums.ini
index 3f87b3fabb8..27a680da968 100644
--- a/build/pkgs/cypari/checksums.ini
+++ b/build/pkgs/cypari/checksums.ini
@@ -1,5 +1,5 @@
 tarball=cypari2-VERSION.tar.gz
-sha1=0af00b66e3f1b77e932ad9cade6e4e9dc6f21eaa
-md5=34c919aedb0a470c8b4e4b0c0ec788e3
-cksum=2760761148
-upstream_url=https://github.com/sagemath/cypari2/releases/download/VERSION/cypari2-VERSION.tar.gz
+sha1=4cb5fc43899852b7fc0c0175e610318c38f0caac
+md5=e9940034c6707a3faeb416f207444e81
+cksum=361739172
+upstream_url=https://pypi.io/packages/source/c/cypari2/cypari2-VERSION.tar.gz
diff --git a/build/pkgs/cypari/package-version.txt b/build/pkgs/cypari/package-version.txt
index 7d2ed7c7020..cd57a8b95d6 100644
--- a/build/pkgs/cypari/package-version.txt
+++ b/build/pkgs/cypari/package-version.txt
@@ -1 +1 @@
-2.1.4
+2.1.5
diff --git a/build/pkgs/memory_allocator/checksums.ini b/build/pkgs/memory_allocator/checksums.ini
index c907031eac5..76e62a79758 100644
--- a/build/pkgs/memory_allocator/checksums.ini
+++ b/build/pkgs/memory_allocator/checksums.ini
@@ -1,5 +1,5 @@
 tarball=memory_allocator-VERSION.tar.gz
-sha1=1a874de2674a1948797de109adfd1f56193e153a
-md5=c3a5d0f5acf896eec84266964a8aec0e
-cksum=3431157422
+sha1=21661580dd3f41aac0f2090033d8804e6ff495d9
+md5=2a5e087c686b04996ccb88ce56cad9f0
+cksum=3481909016
 upstream_url=https://pypi.io/packages/source/m/memory_allocator/memory_allocator-VERSION.tar.gz
diff --git a/build/pkgs/memory_allocator/package-version.txt b/build/pkgs/memory_allocator/package-version.txt
index b1e80bb2480..845639eef26 100644
--- a/build/pkgs/memory_allocator/package-version.txt
+++ b/build/pkgs/memory_allocator/package-version.txt
@@ -1 +1 @@
-0.1.3
+0.1.4