diff --git a/cdecl-6.10.tar.gz b/cdecl-6.10.tar.gz
new file mode 100644
index 0000000..a25d8de
--- /dev/null
+++ b/cdecl-6.10.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:00593783ca85cee1f2b947ac789b5e9390967b8fb0fd3f3838c301d485a05a20
+size 734152
diff --git a/cdecl-6.9.tar.gz b/cdecl-6.9.tar.gz
deleted file mode 100644
index b888f02..0000000
--- a/cdecl-6.9.tar.gz
+++ /dev/null
@@ -1,3 +0,0 @@
-version https://git-lfs.github.com/spec/v1
-oid sha256:ba9d86d96bd4af2e6726b64e37df2d593d459de97f808bfd6922febb14e74d9d
-size 728917
diff --git a/cdecl.changes b/cdecl.changes
index 5b28a24..e3398d0 100644
--- a/cdecl.changes
+++ b/cdecl.changes
@@ -1,3 +1,11 @@
+-------------------------------------------------------------------
+Mon Apr 13 17:38:10 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
+
+- Update to release 6.10
+  * The "long long" type was incorrectly allowed in C89; it
+    was not added until C99.
+  * Added pthread.h, threads.h, and C++ thread types.
+
 -------------------------------------------------------------------
 Wed Feb 26 19:16:18 UTC 2020 - Jan Engelhardt <jengelh@inai.de>
 
diff --git a/cdecl.spec b/cdecl.spec
index ef87f67..97771c2 100644
--- a/cdecl.spec
+++ b/cdecl.spec
@@ -17,7 +17,7 @@
 
 
 Name:           cdecl
-Version:        6.9
+Version:        6.10
 Release:        0
 Summary:        C/C++ function declaration translator
 License:        GPL-3.0-or-later