diff --git a/configure.ac b/configure.ac
index b64bc35..dcb92e3 100644
--- a/configure.ac
+++ b/configure.ac
@@ -59,7 +59,7 @@ if test -n "$kbuilddir"; then
 		echo "$kmajor.$kminor.$kmicro.$kstable in $kbuilddir";
 		if test "$kmajor" -gt 4 -o "$kmajor" -eq 4 -a "$kminor" -gt 12; then
 			echo "WARNING: That kernel version is not officially supported yet. Continue at own luck.";
-		elif test "$kmajor" -eq 4 -a "$kminor" -le 1; then
+		elif test "$kmajor" -eq 4 -a "$kminor" -le 2; then
 			echo "WARNING: That kernel version is not officially supported.";
 		elif test "$kmajor" -eq 4 -a "$kminor" -le 10; then
 			:;
diff --git a/doc/changelog.txt b/doc/changelog.txt
index 7eebad6..13f7086 100644
--- a/doc/changelog.txt
+++ b/doc/changelog.txt
@@ -4,7 +4,7 @@ HEAD
 Enhancements:
 - support for Linux up to 4.15
 Changes:
-- remove support for Linux 3.7--4.1
+- remove support for Linux 3.7--4.2
 
 
 v2.14 (2017-11-22)
diff --git a/extensions/compat_xtables.h b/extensions/compat_xtables.h
index 69c7c33..89ff025 100644
--- a/extensions/compat_xtables.h
+++ b/extensions/compat_xtables.h
@@ -8,8 +8,8 @@
 
 #define DEBUGP Use__pr_debug__instead
 
-#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 2, 0)
-#	warning Kernels below 4.2 not supported.
+#if LINUX_VERSION_CODE < KERNEL_VERSION(4, 3, 0)
+#	warning Kernels below 4.3 not supported.
 #endif
 
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)