diff --git a/automation/abi-check/previous-nss-release b/automation/abi-check/previous-nss-release
index b56d1ed979..0b8a859a56 100644
--- a/automation/abi-check/previous-nss-release
+++ b/automation/abi-check/previous-nss-release
@@ -1 +1 @@
-NSS_3_49_BRANCH
+NSS_3_50_BRANCH
diff --git a/lib/nss/nss.h b/lib/nss/nss.h
index fb13757ea7..17442654c4 100644
--- a/lib/nss/nss.h
+++ b/lib/nss/nss.h
@@ -22,9 +22,9 @@
  * The format of the version string should be
  *     "<major version>.<minor version>[.<patch level>[.<build number>]][ <ECC>][ <Beta>]"
  */
-#define NSS_VERSION "3.50" _NSS_CUSTOMIZED " Beta"
+#define NSS_VERSION "3.51" _NSS_CUSTOMIZED " Beta"
 #define NSS_VMAJOR 3
-#define NSS_VMINOR 50
+#define NSS_VMINOR 51
 #define NSS_VPATCH 0
 #define NSS_VBUILD 0
 #define NSS_BETA PR_TRUE
diff --git a/lib/softoken/softkver.h b/lib/softoken/softkver.h
index bed79e77bc..8f3c07f280 100644
--- a/lib/softoken/softkver.h
+++ b/lib/softoken/softkver.h
@@ -17,9 +17,9 @@
  * The format of the version string should be
  *     "<major version>.<minor version>[.<patch level>[.<build number>]][ <ECC>][ <Beta>]"
  */
-#define SOFTOKEN_VERSION "3.50" SOFTOKEN_ECC_STRING " Beta"
+#define SOFTOKEN_VERSION "3.51" SOFTOKEN_ECC_STRING " Beta"
 #define SOFTOKEN_VMAJOR 3
-#define SOFTOKEN_VMINOR 50
+#define SOFTOKEN_VMINOR 51
 #define SOFTOKEN_VPATCH 0
 #define SOFTOKEN_VBUILD 0
 #define SOFTOKEN_BETA PR_TRUE
diff --git a/lib/util/nssutil.h b/lib/util/nssutil.h
index e9b7407e31..1f4225dacd 100644
--- a/lib/util/nssutil.h
+++ b/lib/util/nssutil.h
@@ -19,9 +19,9 @@
  * The format of the version string should be
  *     "<major version>.<minor version>[.<patch level>[.<build number>]][ <Beta>]"
  */
-#define NSSUTIL_VERSION "3.50 Beta"
+#define NSSUTIL_VERSION "3.51 Beta"
 #define NSSUTIL_VMAJOR 3
-#define NSSUTIL_VMINOR 50
+#define NSSUTIL_VMINOR 51
 #define NSSUTIL_VPATCH 0
 #define NSSUTIL_VBUILD 0
 #define NSSUTIL_BETA PR_TRUE