diff --git a/requirements.txt b/requirements.txt
index ff5146b..bba2898 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,4 +2,4 @@ pyzmq==17.1.2
 numpy>=1.13.3,<=1.18.4
 flatbuffers==1.11
 ont-fast5-api>=3.0.1
-ont-pyguppy-client-lib==4.5.2
+ont-pyguppy-client-lib==5.0.7