diff --git a/mozilla-nss.changes b/mozilla-nss.changes
index 1abed2b..727af8a 100644
--- a/mozilla-nss.changes
+++ b/mozilla-nss.changes
@@ -1,3 +1,24 @@
+-------------------------------------------------------------------
+Tue May 31 19:24:59 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- update to NSS 3.78.1
+  * bmo#1767590 - Initialize pointers passed to
+                  NSS_CMSDigestContext_FinishMultiple
+
+-------------------------------------------------------------------
+Mon May 30 21:24:54 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
+
+- update to NSS 3.78
+  * bmo#1755264 - Added TLS 1.3 zero-length inner plaintext checks and
+                  tests, zero-length record/fragment handling tests.
+  * bmo#1294978 - Reworked overlong record size checks and added TLS1.3
+                  specific boundaries.
+  * bmo#1763120 - Add ECH Grease Support to tstclnt
+  * bmo#1765003 - Add a strict variant of moz::pkix::CheckCertHostname.
+  * bmo#1166338 - Change SSL_REUSE_SERVER_ECDHE_KEY default to false.
+  * bmo#1760813 - Make SEC_PKCS12EnableCipher succeed
+  * bmo#1762489 - Update zlib in NSS to 1.2.12.
+
 -------------------------------------------------------------------
 Thu Apr 28 20:40:04 UTC 2022 - Wolfgang Rosenauer <wr@rosenauer.org>
 
diff --git a/mozilla-nss.spec b/mozilla-nss.spec
index 03e85f6..7efc716 100644
--- a/mozilla-nss.spec
+++ b/mozilla-nss.spec
@@ -2,7 +2,7 @@
 # spec file for package mozilla-nss
 #
 # Copyright (c) 2022 SUSE LLC
-# Copyright (c) 2006-2021 Wolfgang Rosenauer
+# Copyright (c) 2006-2022 Wolfgang Rosenauer
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,14 +17,14 @@
 #
 
 
-%global nss_softokn_fips_version 3.77
+%global nss_softokn_fips_version 3.78
 %define NSPR_min_version 4.32
 %define nspr_ver %(rpm -q --queryformat '%%{VERSION}' mozilla-nspr)
 %define nssdbdir %{_sysconfdir}/pki/nssdb
 Name:           mozilla-nss
-Version:        3.77
+Version:        3.78.1
 Release:        0
-%define underscore_version 3_77
+%define underscore_version 3_78_1
 Summary:        Network Security Services
 License:        MPL-2.0
 Group:          System/Libraries
diff --git a/nss-3.77.tar.gz b/nss-3.77.tar.gz
deleted file mode 100644
index 288b9c7..0000000
--- a/nss-3.77.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:825edf5a2fd35b788a23ff80face591f82919ae3ad2b8f77d424a450d618dedd
-size 84592839
diff --git a/nss-3.78.1.tar.gz b/nss-3.78.1.tar.gz
new file mode 100644
index 0000000..bd4c002
--- /dev/null
+++ b/nss-3.78.1.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:b6a492594366410a3f0e391a82a87657e2901415f0d386eb07672edaf0ea6cac
+size 84825394