diff --git a/packaging/debian/buildppa.sh b/packaging/debian/buildppa.sh
index 86a50526..db19d0b0 100644
--- a/packaging/debian/buildppa.sh
+++ b/packaging/debian/buildppa.sh
@@ -13,10 +13,10 @@
 
 PPA_KEYID=7808CE96D38B9201
 
-RCLVERS=1.31.3
+RCLVERS=1.31.4
 SCOPEVERS=1.20.2.4
 GSSPVERS=1.1.1
-PPAVERS=2
+PPAVERS=1
 
 # 
 RCLSRC=/y/home/dockes/projets/fulltext/recoll/src
diff --git a/packaging/debian/debian/changelog b/packaging/debian/debian/changelog
index 80ae9675..318e1ddd 100644
--- a/packaging/debian/debian/changelog
+++ b/packaging/debian/debian/changelog
@@ -1,3 +1,10 @@
+recoll (1.31.4-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
+
+  * Linux/Mac: Bug in threads management could result in index corruption or crash
+    after signal interrupt.
+    
+ -- Jean-Francois Dockes <jf@dockes.org>  Thu, 25 Nov 2021 16:30:00 +0100
+
 recoll (1.31.3-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
 
   * Highligthing for group (phrase/near): eliminate some spurious matches.
@@ -10,7 +17,7 @@ recoll (1.31.3-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
   * Fix processing on some unicode dash and apos character variations.
   * PST: fix indexing in marginal cases. Extract message dates.
 
- -- Jean-Francois Dockes <jf@dockes.org>  Sat, 13 Nov 2021 16:30:00 +0200
+ -- Jean-Francois Dockes <jf@dockes.org>  Sat, 13 Nov 2021 16:30:00 +0100
 
 recoll (1.31.2-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
 
diff --git a/packaging/debian/debiankio/changelog b/packaging/debian/debiankio/changelog
index 287c8ab9..d7618251 100644
--- a/packaging/debian/debiankio/changelog
+++ b/packaging/debian/debiankio/changelog
@@ -1,3 +1,9 @@
+recoll (1.31.4-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
+
+  * Follow recoll version
+    
+ -- Jean-Francois Dockes <jf@dockes.org>  Thu, 25 Nov 2021 16:30:00 +0100
+
 kio-recoll (1.31.3-1~ppaPPAVERS~SERIES1) SERIES; urgency=low
 
   * Follow recoll version
diff --git a/packaging/rpm/recoll.spec b/packaging/rpm/recoll.spec
index d4518d3b..3bd449e1 100644
--- a/packaging/rpm/recoll.spec
+++ b/packaging/rpm/recoll.spec
@@ -3,7 +3,7 @@
 
 Summary:        Desktop full text search tool with Qt GUI
 Name:           recoll
-Version:        1.31.3
+Version:        1.31.4
 Release:        2%{?dist}
 Group:          Applications/Databases
 License:        GPLv2+
diff --git a/src/RECOLL-VERSION.txt b/src/RECOLL-VERSION.txt
index d7f92f58..cca52685 100644
--- a/src/RECOLL-VERSION.txt
+++ b/src/RECOLL-VERSION.txt
@@ -1 +1 @@
-1.31.3
+1.31.4
diff --git a/src/common/autoconfig-mac.h b/src/common/autoconfig-mac.h
index 07b02fa0..8c71f4b6 100644
--- a/src/common/autoconfig-mac.h
+++ b/src/common/autoconfig-mac.h
@@ -125,7 +125,7 @@
 #define PACKAGE_NAME "Recoll"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "Recoll 1.31.3"
+#define PACKAGE_STRING "Recoll 1.31.4"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "recoll"
@@ -134,7 +134,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.31.3"
+#define PACKAGE_VERSION "1.31.4"
 
 /* putenv parameter is const */
 /* #undef PUTENV_ARG_CONST */
diff --git a/src/common/autoconfig-win.h b/src/common/autoconfig-win.h
index 8be389f0..58a88882 100644
--- a/src/common/autoconfig-win.h
+++ b/src/common/autoconfig-win.h
@@ -118,7 +118,7 @@
 #define PACKAGE_NAME "Recoll"
 
 /* Define to the full name and version of this package. */
-#define PACKAGE_STRING "Recoll 1.31.3"
+#define PACKAGE_STRING "Recoll 1.31.4"
 
 /* Define to the one symbol short name of this package. */
 #define PACKAGE_TARNAME "recoll"
@@ -127,7 +127,7 @@
 #define PACKAGE_URL ""
 
 /* Define to the version of this package. */
-#define PACKAGE_VERSION "1.31.3"
+#define PACKAGE_VERSION "1.31.4"
 
 /* putenv parameter is const */
 /* #undef PUTENV_ARG_CONST */