diff --git a/CMakeLists.txt b/CMakeLists.txt
index ac8a659d6..cce63777e 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -31,7 +31,7 @@ include(TrMacros)
 
 set(CURL_MINIMUM 7.28.0)
 set(WOLFSSL_MINIMUM 3.4)
-set(DEFLATE_MINIMUM 1.10)
+set(DEFLATE_MINIMUM 1.7)
 set(EVENT2_MINIMUM 2.1.0)
 set(GIOMM_MINIMUM 2.26.0)
 set(GLIBMM_MINIMUM 2.60.0)