diff --git a/requirements.txt b/requirements.txt
index 161185b..b5c7773 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -4,18 +4,18 @@
 #
 #    pip-compile --output-file requirements.txt setup.py
 #
-biopython==1.72
-click-plugins==1.0.3
-click==6.7
-coverage==4.5.1
+biopython==1.74
+click-plugins==1.1.1
+click==7.0
+coverage==4.5.4
 cycler==0.10.0            # via matplotlib
-kiwisolver==1.0.1         # via matplotlib
-matplotlib==3.0.0
-numpy==1.15.2
-pandas==0.23.4
-pyfaidx==0.5.4.2
-pyparsing==2.2.1          # via matplotlib
-python-dateutil==2.7.3    # via matplotlib, pandas
-pytz==2018.5              # via matplotlib, pandas
-pyyaml==3.13
-six==1.11.0               # via cycler, matplotlib, pyfaidx, python-dateutil
+kiwisolver==1.1.0         # via matplotlib
+matplotlib==3.1.1
+numpy==1.17.2
+pandas==0.25.1
+pyfaidx==0.5.5.2
+pyparsing==2.4.2          # via matplotlib
+python-dateutil==2.8.0    # via matplotlib, pandas
+pytz==2019.2              # via matplotlib, pandas
+pyyaml==5.1.2
+six==1.12.0               # via cycler, matplotlib, pyfaidx, python-dateutil
diff --git a/setup.cfg b/setup.cfg
index 8f7e0f4..ae30504 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -45,15 +45,15 @@ zip_safe = False
 include_package_data = True
 packages = aakbar
 install_requires =
-    biopython
+    biopython==1.74
     click>=5.0
-    click_plugins
-    coverage
-    matplotlib
-    numpy
-    pandas
-    pyfaidx
-    pyyaml
+    click_plugins==1.1.1
+    coverage==4.5.4
+    matplotlib==3.1.1
+    numpy==1.17.2
+    pandas==0.25.1
+    pyfaidx==0.5.5.2
+    pyyaml==5.1.2
 
 [options.package_data]
 * =