diff --git a/examples/models/parakeet/install_requirements.txt b/examples/models/parakeet/install_requirements.txt
index bc5691de351..e22d7af3966 100644
--- a/examples/models/parakeet/install_requirements.txt
+++ b/examples/models/parakeet/install_requirements.txt
@@ -1 +1,2 @@
-nemo_toolkit[asr]
+nemo_toolkit[asr]==2.7.3
+matplotlib
diff --git a/examples/models/sortformer/install_requirements.txt b/examples/models/sortformer/install_requirements.txt
index bc5691de351..e22d7af3966 100644
--- a/examples/models/sortformer/install_requirements.txt
+++ b/examples/models/sortformer/install_requirements.txt
@@ -1 +1,2 @@
-nemo_toolkit[asr]
+nemo_toolkit[asr]==2.7.3
+matplotlib