diff --git a/gs99-overrun.diff b/gs99-overrun.diff
new file mode 100644
index 0000000..8d9ae81
--- /dev/null
+++ b/gs99-overrun.diff
@@ -0,0 +1,23 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2020-04-08 11:47:38.536817437 +0200
+References: https://sourceforge.net/p/gsoap2/bugs/1277/
+
+Fix a buffer overread introduced in gsoap 2.8.99.
+
+---
+ gsoap/stdsoap2.cpp |    2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+Index: gsoap-2.8.100/gsoap/stdsoap2.cpp
+===================================================================
+--- gsoap-2.8.100.orig/gsoap/stdsoap2.cpp
++++ gsoap-2.8.100/gsoap/stdsoap2.cpp
+@@ -7075,7 +7075,7 @@ soap_accept(struct soap *soap)
+       if (getaddrinfo(soap->host, NULL, &hints, &res) == 0 && res)
+       {
+         struct sockaddr_storage result;
+-        (void)soap_memcpy(&result, sizeof(result), res->ai_addr, sizeof(result));
++        (void)soap_memcpy(&result, sizeof(result), res->ai_addr, res->ai_addrlen);
+         freeaddrinfo(res);
+         if (result.ss_family == AF_INET6)
+         {
diff --git a/gsoap-2.8.100.tar.xz b/gsoap-2.8.100.tar.xz
new file mode 100644
index 0000000..eee13b2
--- /dev/null
+++ b/gsoap-2.8.100.tar.xz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:282bdc620793c13c03bb13018ad29748e03ba3d30c024684aabfd334e8557fc6
+size 16814704
diff --git a/gsoap-2.8.99.tar.xz b/gsoap-2.8.99.tar.xz
deleted file mode 100644
index 1cc5423..0000000
--- a/gsoap-2.8.99.tar.xz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:d3fb5bf573105fb06fbceca149c41c5c52e27c9b4d99acecb045009de404988c
-size 16962564
diff --git a/gsoap.changes b/gsoap.changes
index 3e740f7..115d744 100644
--- a/gsoap.changes
+++ b/gsoap.changes
@@ -1,3 +1,13 @@
+-------------------------------------------------------------------
+Wed Apr  8 09:23:37 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 2.8.100
+  * Improved proxy connectivity on the client side to handle bearer
+    authentication.
+  * Improved soapcpp2 handling of the `#module` directive.
+  * Fixed an MTOM flag clearing issue hampering MTOM usability.
+- Add gs99-overrun.diff
+
 -------------------------------------------------------------------
 Wed Mar 18 12:17:15 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/gsoap.spec b/gsoap.spec
index c447b6a..94fbe33 100644
--- a/gsoap.spec
+++ b/gsoap.spec
@@ -17,8 +17,8 @@
 
 
 Name:           gsoap
-%define lname	libgsoap-2_8_99
-Version:        2.8.99
+%define lname	libgsoap-2_8_100
+Version:        2.8.100
 Release:        0
 Summary:        Toolkit for SOAP/REST-based C/C++ server and client web service applications
 License:        SUSE-GPL-2.0+-with-openssl-exception
diff --git a/sanitize_source.sh b/sanitize_source.sh
index 41eb009..6f0d768 100644
--- a/sanitize_source.sh
+++ b/sanitize_source.sh
@@ -13,7 +13,7 @@ if ! which hardlink >/dev/null; then
 	exit 1;
 fi;
 
-version="2.8.99"
+version="2.8.100"
 shortver="2.8" # agh...
 if [ ! -e "gsoap_$version.zip" ]; then
 	wget -c "http://downloads.sf.net/gsoap2/gsoap_$version.zip"