diff --git a/Version_2_6_13pre94.patch b/Version_2_6_13pre94.patch
new file mode 100644
index 0000000..1ad63f4
--- /dev/null
+++ b/Version_2_6_13pre94.patch
@@ -0,0 +1,39 @@
+Description: <short summary of the patch>
+ TODO: Put a short summary on the line above and replace this paragraph
+ with a longer explanation of this change. Complete the meta-information
+ with other relevant fields (see below for details). To make it easier, the
+ information below has been extracted from the changelog. Adjust it or drop
+ it.
+ .
+ gcl (2.6.12-97) unstable; urgency=medium
+ .
+   * Bug fix: "Removal of obsolete debhelper compat 5 and 6 in bookworm",
+     thanks to Niels Thykier (Closes: #965543).
+   * Version_2.6.13pre93
+Author: Camm Maguire <camm@debian.org>
+Bug-Debian: https://bugs.debian.org/965543
+
+---
+The information above should follow the Patch Tagging Guidelines, please
+checkout http://dep.debian.net/deps/dep3/ to learn about the format. Here
+are templates for supplementary fields that you might want to add:
+
+Origin: <vendor|upstream|other>, <url of original patch>
+Bug: <url in upstream bugtracker>
+Bug-Debian: https://bugs.debian.org/<bugnumber>
+Bug-Ubuntu: https://launchpad.net/bugs/<bugnumber>
+Forwarded: <no|not-needed|url proving that it has been forwarded>
+Reviewed-By: <name and email of someone who approved the patch>
+Last-Update: 2020-09-29
+
+--- gcl-2.6.12.orig/o/regexpr.c
++++ gcl-2.6.12/o/regexpr.c
+@@ -157,7 +157,7 @@ be over written.   \
+ 
+ 
+      str=string->st.st_self;
+-     if (str+end==(void *)core_end || str+end==(void *)compiled_regexp) {
++     if (NULL_OR_ON_C_STACK(str+end) || str+end==(void *)compiled_regexp) {
+ 
+        if (!(str=alloca(string->st.st_fillp+1)))
+ 	 FEerror("Cannot allocate memory on C stack",0);
diff --git a/gcl.spec b/gcl.spec
index 322d52f..d182e84 100644
--- a/gcl.spec
+++ b/gcl.spec
@@ -12,7 +12,7 @@
 %global _lto_cflags %{nil}
 
 # Upstream prerelease number
-%global prerel 92
+%global prerel 93
 
 Name:           gcl
 Version:        2.6.13
@@ -146,6 +146,7 @@ Patch111:       Version_2_6_13pre88.patch
 Patch112:       Version_2_6_13pre89.patch
 Patch113:       Version_2_6_13pre90.patch
 Patch114:       Version_2_6_13pre92.patch
+Patch115:       Version_2_6_13pre94.patch
 
 ### Fedora patches
 
@@ -371,6 +372,9 @@ rm -f /tmp/gazonk_* /tmp/gcl_*
 
 
 %changelog
+* Tue Nov  3 2020 Jerry James <loganjerry@gmail.com> - 2.6.13-0.93
+- Update to 2.6.13pre93
+
 * Mon Aug 24 2020 Jerry James <loganjerry@gmail.com> - 2.6.13-0.92
 - Update to 2.6.13pre92