diff --git a/README.md b/README.md
index 7350363..35fdd79 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 
 # guile-json
 
-[![GNU Guile 2.0](https://github.com/aconchillo/guile-json/actions/workflows/guile2.2.yml/badge.svg)](https://github.com/aconchillo/guile-json/actions/workflows/guile2.2.yml)
+[![GNU Guile 2.2](https://github.com/aconchillo/guile-json/actions/workflows/guile2.2.yml/badge.svg)](https://github.com/aconchillo/guile-json/actions/workflows/guile2.2.yml)
 [![GNU Guile 3.0](https://github.com/aconchillo/guile-json/actions/workflows/guile3.0.yml/badge.svg)](https://github.com/aconchillo/guile-json/actions/workflows/guile3.0.yml)
 
 guile-json is a JSON module for Guile. It supports parsing and building JSON
diff --git a/configure.ac b/configure.ac
index 810f37d..85870ef 100644
--- a/configure.ac
+++ b/configure.ac
@@ -1,7 +1,7 @@
 #
 # configure.ac
 #
-# Copyright (C) 2013-2022 Aleix Conchillo Flaque <aconchillo@gmail.com>
+# Copyright (C) 2013-2023 Aleix Conchillo Flaque <aconchillo@gmail.com>
 #
 # This file is part of guile-json.
 #
@@ -32,7 +32,7 @@ m4_pattern_forbid([PKG_CHECK_MODULES])
 m4_pattern_forbid([^GUILE_PKG])
 
 dnl Check for Guile 2.x.
-GUILE_PKG([3.0 2.2 2.0])
+GUILE_PKG([3.0 2.2])
 GUILE_PROGS
 GUILE_SITE_DIR