diff --git a/docker-compose.yml b/docker-compose.yml
index 71f6942..86f3be4 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -5,4 +5,4 @@ services:
       dockerfile: Dockerfile
     ports:
       - 8080:8080
-    image: bigdatainbiomedicine/simba-qc:0.2.0
+    image: bigdatainbiomedicine/simba-qc:0.2.1
diff --git a/src/sliders.py b/src/sliders.py
index b53a619..5c23696 100644
--- a/src/sliders.py
+++ b/src/sliders.py
@@ -76,12 +76,12 @@ def return_of_adata_meta():
     @reactive.effect
     def random_sample():
         adata = _adata_qc.get()
-        sample_size = input['random_sample_size'].get()
-        
         if adata is None:
             return
-
-        adata_sample = adata[np.random.choice(adata.obs.index, sample_size, replace=False)]
+       
+        sample_size = input['random_sample_size'].get()
+       
+        adata_sample = adata[np.random.choice(adata.obs.index, min(sample_size, len(adata.obs)), replace=False)]
         _adata_sample.set(adata_sample)
 
     @output