diff --git a/cdecl-10.2.tar.gz b/cdecl-10.2.tar.gz
deleted file mode 100644
index 13c2d1b..0000000
--- a/cdecl-10.2.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:825fd137b9874bbe304ac4ec388849fb897f064d7f14b32318696d5bd149510f
-size 1095089
diff --git a/cdecl-10.3.tar.gz b/cdecl-10.3.tar.gz
new file mode 100644
index 0000000..0730df1
--- /dev/null
+++ b/cdecl-10.3.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:8b68171ada8e3915f993b471003fa2531b46c925aace4644af2bb438b5931a86
+size 1124535
diff --git a/cdecl.changes b/cdecl.changes
index 7eede91..4e3ca87 100644
--- a/cdecl.changes
+++ b/cdecl.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Sun Aug 15 16:06:00 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 10.3
+  * Marking functions and conversion operators = delete is now
+    supported.
+- Add unbreak-gnulib.diff
+
 -------------------------------------------------------------------
 Wed Jun 30 16:05:38 UTC 2021 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/cdecl.spec b/cdecl.spec
index 5ae186f..8fd2d2b 100644
--- a/cdecl.spec
+++ b/cdecl.spec
@@ -17,7 +17,7 @@
 
 
 Name:           cdecl
-Version:        10.2
+Version:        10.3
 Release:        0
 Summary:        C/C++ function declaration translator
 License:        GPL-3.0-or-later
@@ -25,6 +25,7 @@ Group:          Development/Languages/C and C++
 URL:            https://github.com/paul-j-lucas/cdecl/
 
 Source:         https://github.com/paul-j-lucas/cdecl/releases/download/cdecl-%version/cdecl-%version.tar.gz
+Patch1:         unbreak-gnulib.diff
 BuildRequires:  bison
 BuildRequires:  flex
 BuildRequires:  ncurses-devel
diff --git a/unbreak-gnulib.diff b/unbreak-gnulib.diff
new file mode 100644
index 0000000..092aa00
--- /dev/null
+++ b/unbreak-gnulib.diff
@@ -0,0 +1,26 @@
+From: Jan Engelhardt <jengelh@inai.de>
+Date: 2021-08-15 19:20:30.942589995 +0200
+
+Compiler said _GL_ATTRIBUTE_MALLOC was undefined.
+This was a breaking change in gnulib 48ece5c3f2185f52ab8cd73ceac9bd9f0e01eac6.
+---
+ lib/stdlib.in.h |    6 ++++++
+ 1 file changed, 6 insertions(+)
+
+Index: cdecl-10.3/lib/stdlib.in.h
+===================================================================
+--- cdecl-10.3.orig/lib/stdlib.in.h
++++ cdecl-10.3/lib/stdlib.in.h
+@@ -108,6 +108,12 @@ struct random_data
+ #  define _GL_ATTRIBUTE_PURE /* empty */
+ # endif
+ #endif
++#ifndef _GL_ATTRIBUTE_MALLOC
++#define _GL_ATTRIBUTE_MALLOC
++#endif
++#ifndef _GL_ATTRIBUTE_DEALLOC_FREE
++#define _GL_ATTRIBUTE_DEALLOC_FREE
++#endif
+ 
+ /* The definition of _Noreturn is copied here.  */
+