diff --git a/etc/buildout.cfg b/etc/buildout.cfg
index d11fed7..39d958f 100644
--- a/etc/buildout.cfg
+++ b/etc/buildout.cfg
@@ -77,4 +77,4 @@ sphinxcontrib-testbuild = 0.1.1
 zc.recipe.egg = 1.3.2
 z3c.recipe.mkdir = 0.5
 z3c.recipe.scripts = 1.0.1
-zest.releaser = 3.43
+zest.releaser = 3.45