diff --git a/configure.ac b/configure.ac
index b6096ab..8d2fdfc 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@ dnl implied.  In no event shall the authors be liable for any damages arising
 dnl from the use of this software.
 
 AC_PREREQ([2.68])
-AC_INIT([pkgconf], [1.6.3], [https://todo.sr.ht/~kaniini/pkgconf])
+AC_INIT([pkgconf], [1.9.90], [https://todo.sr.ht/~kaniini/pkgconf])
 AC_CONFIG_SRCDIR([cli/main.c])
 AC_CONFIG_MACRO_DIRS([m4])
 AX_CHECK_COMPILE_FLAG([-Wall], [CFLAGS="$CFLAGS -Wall"])
diff --git a/libpkgconf/libpkgconf.h b/libpkgconf/libpkgconf.h
index 44a9e7f..d139c50 100644
--- a/libpkgconf/libpkgconf.h
+++ b/libpkgconf/libpkgconf.h
@@ -78,8 +78,8 @@ typedef struct pkgconf_cross_personality_ pkgconf_cross_personality_t;
 #define PKGCONF_FOREACH_LIST_ENTRY_REVERSE(tail, value) \
 	for ((value) = (tail); (value) != NULL; (value) = (value)->prev)
 
-#define LIBPKGCONF_VERSION	10603
-#define LIBPKGCONF_VERSION_STR	"1.6.3"
+#define LIBPKGCONF_VERSION	10990
+#define LIBPKGCONF_VERSION_STR	"1.9.90"
 
 struct pkgconf_fragment_ {
 	pkgconf_node_t iter;
diff --git a/meson.build b/meson.build
index 96177d2..6df0ccf 100644
--- a/meson.build
+++ b/meson.build
@@ -1,5 +1,5 @@
 project('pkgconf', 'c',
-  version : '1.6.3',
+  version : '1.9.90',
   license : 'ISC',
   meson_version : '>=0.47')