diff --git a/perl-Params-ValidationCompiler.spec b/perl-Params-ValidationCompiler.spec
index 7321ea1..ed8a5b1 100644
--- a/perl-Params-ValidationCompiler.spec
+++ b/perl-Params-ValidationCompiler.spec
@@ -1,5 +1,5 @@
 Name:		perl-Params-ValidationCompiler
-Version:	0.21
+Version:	0.22
 Release:	1%{?dist}
 Summary:	Build an optimized subroutine parameter validator once, use it forever
 License:	Artistic 2.0
@@ -13,6 +13,7 @@ BuildRequires:	perl
 BuildRequires:	perl-generators
 BuildRequires:	perl(ExtUtils::MakeMaker) > 6.75
 # Module
+BuildRequires:	perl(B)
 BuildRequires:	perl(Carp)
 BuildRequires:	perl(Eval::Closure)
 BuildRequires:	perl(Exception::Class)
@@ -74,6 +75,12 @@ make test
 %{_mandir}/man3/Params::ValidationCompiler::Exceptions.3*
 
 %changelog
+* Sat Dec 31 2016 Paul Howarth <paul@city-fan.org> - 0.22-1
+- Update to 0.22
+  - Explicitly load the B module; previously, the code relied on this already
+    being loaded by something else (GH#11)
+  - Removed the alpha warning from the docs
+
 * Wed Dec  7 2016 Paul Howarth <paul@city-fan.org> - 0.21-1
 - Update to 0.21
   - Switched to using GitHub issues
diff --git a/sources b/sources
index e05fd7d..5e10413 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-fda9c8f91a07e9bb1367ef168d84fb27  Params-ValidationCompiler-0.21.tar.gz
+SHA512 (Params-ValidationCompiler-0.22.tar.gz) = 078b54bc18e840dc19b0cb9f2507728c2977d22276c3ed7b239ea31db91188eac3de69229884a150093c6d70d07872906c545eb044c9d360b96de438c23adf9c