diff --git a/src/auto/configure b/src/auto/configure
index 8582298..70ebb33 100755
--- a/src/auto/configure
+++ b/src/auto/configure
@@ -10136,9 +10136,12 @@
 tmp_version = g_strdup("$min_gtk_version");
 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
    printf("%s, bad version string\n", "$min_gtk_version");
+   g_free(tmp_version);
    exit(1);
  }
 
+g_free(tmp_version);
+
 if ((gtk_major_version > major) ||
     ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
     ((gtk_major_version == major) && (gtk_minor_version == minor) &&
diff --git a/src/configure.ac b/src/configure.ac
index 2ee9b01..ebe0d08 100644
--- a/src/configure.ac
+++ b/src/configure.ac
@@ -2700,9 +2700,12 @@
 tmp_version = g_strdup("$min_gtk_version");
 if (sscanf(tmp_version, "%d.%d.%d", &major, &minor, &micro) != 3) {
    printf("%s, bad version string\n", "$min_gtk_version");
+   g_free(tmp_version);
    exit(1);
  }
 
+g_free(tmp_version);
+
 if ((gtk_major_version > major) ||
     ((gtk_major_version == major) && (gtk_minor_version > minor)) ||
     ((gtk_major_version == major) && (gtk_minor_version == minor) &&
diff --git a/src/version.c b/src/version.c
index 6c9bb45..a2623b8 100644
--- a/src/version.c
+++ b/src/version.c
@@ -705,6 +705,8 @@
 static int included_patches[] =
 {   /* Add new patch number below this line */
 /**/
+    2166,
+/**/
     2165,
 /**/
     2164,