diff --git a/photoapp/image.py b/photoapp/image.py
index eba0eed..826e14f 100644
--- a/photoapp/image.py
+++ b/photoapp/image.py
@@ -104,9 +104,9 @@ def get_exif_data_fobj(fobj):
 
 
 def rational64u_to_hms(values):
-    return [Decimal(values[0][0]) / Decimal(values[0][1]),
-            Decimal(values[1][0]) / Decimal(values[1][1]),
-            Decimal(values[2][0]) / Decimal(values[2][1])]
+    return [Decimal(values[0].numerator) / Decimal(values[0].denominator),
+            Decimal(values[1].numerator) / Decimal(values[1].denominator),
+            Decimal(values[2].numerator) / Decimal(values[2].denominator)]
 
 
 def hms_to_decimal(values):
diff --git a/requirements.txt b/requirements.txt
index c13290d..71f1db6 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,30 +1,31 @@
-appdirs==1.4.3
-backports.functools-lru-cache==1.5
-boto3==1.9.183
-botocore==1.12.183
-certifi==2019.6.16
+appdirs==1.4.4
+boto3==1.14.56
+botocore==1.17.56
+certifi==2020.6.20
 chardet==3.0.4
-cheroot==6.5.2
-CherryPy==18.1.2
-contextlib2==0.5.5
-docutils==0.14
-idna==2.8
-jaraco.functools==1.20
-Jinja2==2.10.1
-jmespath==0.9.4
-MarkupSafe==1.0
-more-itertools==4.3.0
-Pillow==5.2.0
-portend==2.3
-PyMySQL==0.9.3
-python-dateutil==2.8.0
-python-magic==0.4.15
-pytz==2018.5
-requests==2.22.0
-s3transfer==0.2.1
-six==1.11.0
-SQLAlchemy==1.3.5
-tabulate==0.8.3
-tempora==1.13
-urllib3==1.25.3
-zc.lockfile==1.3.0
+cheroot==8.4.5
+CherryPy==18.6.0
+docutils==0.15.2
+idna==2.10
+jaraco.classes==3.1.0
+jaraco.collections==3.0.0
+jaraco.functools==3.0.1
+jaraco.text==3.2.0
+Jinja2==2.11.2
+jmespath==0.10.0
+MarkupSafe==1.1.1
+more-itertools==8.5.0
+Pillow==7.2.0
+portend==2.6
+PyMySQL==0.10.0
+python-dateutil==2.8.1
+python-magic==0.4.18
+pytz==2020.1
+requests==2.24.0
+s3transfer==0.3.3
+six==1.15.0
+SQLAlchemy==1.3.19
+tabulate==0.8.7
+tempora==4.0.0
+urllib3==1.25.10
+zc.lockfile==2.0