diff --git a/natural_language_processing/requirements.txt b/natural_language_processing/requirements.txt
index 5573072..e67504f 100644
--- a/natural_language_processing/requirements.txt
+++ b/natural_language_processing/requirements.txt
@@ -1,6 +1,6 @@
 ## data
-numpy==1.16.4
-pandas==0.25.1
+numpy
+pandas
 xlrd==1.2.0
 ## plot
 matplotlib==3.1.2
@@ -20,4 +20,4 @@ langdetect==1.0.7
 textblob==0.15.3
 transformers==3.0.1
 rouge==1.0.0
-contractions==0.0.52
\ No newline at end of file
+contractions==0.0.52