diff --git a/tutorials/compressible/rhoCentralFoam/biconic25-55Run35/system/controlDict b/tutorials/compressible/rhoCentralFoam/biconic25-55Run35/system/controlDict
index 70776c56ae29f69e23e986d46fe0ae450b340296..8ead0df1cea37ddf76fca610d51b4d84f91e2fc9 100644
--- a/tutorials/compressible/rhoCentralFoam/biconic25-55Run35/system/controlDict
+++ b/tutorials/compressible/rhoCentralFoam/biconic25-55Run35/system/controlDict
@@ -45,7 +45,7 @@ timePrecision   6;
 
 adjustTimeStep  yes;
 
-maxCo           0.4;
+maxCo           0.3;
 
 maxDeltaT       1;