diff --git a/build/pkgs/terminado/checksums.ini b/build/pkgs/terminado/checksums.ini
index ba1b3927257..f33efd4b5da 100644
--- a/build/pkgs/terminado/checksums.ini
+++ b/build/pkgs/terminado/checksums.ini
@@ -1,5 +1,5 @@
 tarball=terminado-VERSION.tar.gz
-sha1=9a4f75d9f1bad0e7eadf33da774ab4e09d75a47b
-md5=8150154423841a90b1d8ca60943ad84c
-cksum=2702442904
+sha1=65f40480c1d8077b78dcffb7e0c909eae86998bf
+md5=4871263f6aaed18e09603fa6785b4340
+cksum=2070178009
 upstream_url=https://pypi.io/packages/source/t/terminado/terminado-VERSION.tar.gz
diff --git a/build/pkgs/terminado/package-version.txt b/build/pkgs/terminado/package-version.txt
index af88ba82486..34a83616bb5 100644
--- a/build/pkgs/terminado/package-version.txt
+++ b/build/pkgs/terminado/package-version.txt
@@ -1 +1 @@
-0.11.1
+0.12.1