diff --git a/.woodpecker.yml b/.woodpecker.yml
index 8d770db..126e682 100644
--- a/.woodpecker.yml
+++ b/.woodpecker.yml
@@ -2,6 +2,9 @@ matrix:
   EPOCHS:
     - 20
     - 30
+  OPTIMIZER: 
+    - adam
+    - SGD
 
 steps:
   "train":
diff --git a/run.py b/run.py
index d4fa441..d8d5090 100644
--- a/run.py
+++ b/run.py
@@ -9,7 +9,7 @@ from keras import backend as K
 K.clear_session()
 
 EPOCHS = int(os.getenv("EPOCHS", default = 10))
-
+OPTIMIZER = os.getenv("OPTIMIZER", default = "SGD")
 
 
 gpus = tf.config.experimental.list_physical_devices('GPU')
@@ -72,7 +72,7 @@ with tf.device('/GPU:0'):
             keras.layers.Dense(10, activation='sigmoid')    
         ])
   # g
-    model.compile(optimizer='SGD',
+    model.compile(optimizer=OPTIMIZER,
                   loss='categorical_crossentropy',
                   metrics=['accuracy'])
     model.fit(X_train_scaled, y_train_categorical, epochs=EPOCHS)