diff --git a/build/pkgs/pyrsistent/checksums.ini b/build/pkgs/pyrsistent/checksums.ini
index 4c6c352f8ee..7ea885d3db7 100644
--- a/build/pkgs/pyrsistent/checksums.ini
+++ b/build/pkgs/pyrsistent/checksums.ini
@@ -1,5 +1,5 @@
 tarball=pyrsistent-VERSION.tar.gz
-sha1=b81b38a0490737f0a1f5854c739a1d36b90e04e1
-md5=1b335355d3eb40d0870988a1a41894b3
-cksum=110778893
+sha1=58f9efc4800acb6f7a083688e988187cccee2266
+md5=cef3da08455664bf917dcf8cd00d49a4
+cksum=350737156
 upstream_url=https://pypi.io/packages/source/p/pyrsistent/pyrsistent-VERSION.tar.gz
diff --git a/build/pkgs/pyrsistent/package-version.txt b/build/pkgs/pyrsistent/package-version.txt
index 66333910a4b..249afd517d9 100644
--- a/build/pkgs/pyrsistent/package-version.txt
+++ b/build/pkgs/pyrsistent/package-version.txt
@@ -1 +1 @@
-0.18.0
+0.18.1