diff --git a/ps-config/demoChallenge/demoChallenge.conf b/ps-config/demoChallenge/demoChallenge.conf
index 250c4cc9061b23329e16228f3684054804c3874c..8d263771a06ff2759c646e115cffdc7d132ac894 100644
--- a/ps-config/demoChallenge/demoChallenge.conf
+++ b/ps-config/demoChallenge/demoChallenge.conf
@@ -1,6 +1,6 @@
 [main]
-startdb=30;
-uttdb=35;
+startdb=40;
+uttdb=45;
 silence=400;
 timeout=8;
 openDeviceDirectly=yes;
diff --git a/ps-config/openChallenge/openChallenge.conf b/ps-config/openChallenge/openChallenge.conf
index e0ca047996576eb3f4945897fe8d0c680fc9dca6..43407e8b8b7b68be0049bbe8c4e97cc6da00970f 100644
--- a/ps-config/openChallenge/openChallenge.conf
+++ b/ps-config/openChallenge/openChallenge.conf
@@ -1,6 +1,6 @@
 [main]
-startdb=30;
-uttdb=35;
+startdb=40;
+uttdb=45;
 silence=400;
 timeout=8;
 openDeviceDirectly=yes;