diff --git a/src/emailservice/requirements.txt b/src/emailservice/requirements.txt
index 6a763b2..88fcdb0 100644
--- a/src/emailservice/requirements.txt
+++ b/src/emailservice/requirements.txt
@@ -4,26 +4,64 @@
 #
 #    pip-compile --output-file requirements.txt requirements.in
 #
-cachetools==3.0.0         # via google-auth
-certifi==2018.11.29       # via requests
-chardet==3.0.4            # via requests
+cachetools==3.0.0
+    # via google-auth
+certifi==2018.11.29
+    # via requests
+chardet==3.0.4
+    # via requests
 google-api-core[grpc]==1.6.0
-google-auth==1.6.2        # via google-api-core
-google-cloud-core==0.29.1  # via google-cloud-trace
-google-cloud-trace==0.20.2  # via opencensus
-googleapis-common-protos==1.5.5  # via google-api-core
-grpcio-health-checking==1.12.1
+    # via
+    #   -r requirements.in
+    #   google-cloud-core
+    #   google-cloud-trace
+    #   opencensus
+google-auth==1.6.2
+    # via google-api-core
+google-cloud-core==0.29.1
+    # via google-cloud-trace
+google-cloud-trace==0.20.2
+    # via opencensus
+googleapis-common-protos==1.5.5
+    # via google-api-core
 grpcio==1.16.1
-idna==2.8                 # via requests
+    # via
+    #   -r requirements.in
+    #   google-api-core
+    #   grpcio-health-checking
+grpcio-health-checking==1.12.1
+    # via -r requirements.in
+idna==2.8
+    # via requests
 jinja2==2.10
-markupsafe==1.1.0         # via jinja2
+    # via -r requirements.in
+markupsafe==1.1.0
+    # via jinja2
 opencensus[stackdriver]==0.1.10
-protobuf==3.6.1           # via google-api-core, googleapis-common-protos, grpcio-health-checking
-pyasn1-modules==0.2.3     # via google-auth
-pyasn1==0.4.5             # via pyasn1-modules, rsa
+    # via -r requirements.in
+protobuf==3.18.3
+    # via
+    #   google-api-core
+    #   googleapis-common-protos
+    #   grpcio-health-checking
+pyasn1==0.4.5
+    # via
+    #   pyasn1-modules
+    #   rsa
+pyasn1-modules==0.2.3
+    # via google-auth
 python-json-logger==0.1.9
-pytz==2018.9              # via google-api-core
-requests==2.21.0          # via google-api-core
-rsa==4.0                  # via google-auth
-six==1.12.0               # via google-api-core, google-auth, grpcio, protobuf
-urllib3==1.24.1           # via requests
+    # via -r requirements.in
+pytz==2018.9
+    # via google-api-core
+requests==2.21.0
+    # via google-api-core
+rsa==4.0
+    # via google-auth
+six==1.12.0
+    # via
+    #   google-api-core
+    #   google-auth
+    #   grpcio
+urllib3==1.24.1
+    # via requests