diff --git a/requirements.txt b/requirements.txt
index 167a720..a6492db 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,4 +1,4 @@
--e git+https://github.com/OpenDataServices/cove.git@986be74a0efbad2a5128dbb41dd528a1ca4feeb1#egg=cove
+-e git+https://github.com/OpenDataServices/cove.git@38a277475d9ef7ab3f690780de5d675db17b0f4a#egg=cove
 -e git+https://github.com/OpenDataServices/flatten-tool.git@61d8404b444f10384363cde1cad542a0d04af004#egg=flattentool
 -r requirements_taglifter.txt
 gunicorn==19.3.0
diff --git a/requirements_taglifter.txt b/requirements_taglifter.txt
index 44f4fd5..c47c3ed 100644
--- a/requirements_taglifter.txt
+++ b/requirements_taglifter.txt
@@ -4,9 +4,9 @@ rdflib==4.2.1
 openpyxl==2.1.5 # rq.filter: <2.2
 
 numpy==1.10.1
-pyparsing==2.0.3
+pyparsing==2.0.6
 isodate==0.5.4
 python-dateutil==2.4.2
-jdcal==1.0.1
-pytz==2015.6
+jdcal==1.2
+pytz==2015.7
 six==1.10.0
diff --git a/requirements_test.txt b/requirements_test.txt
index fef7667..b27865d 100644
--- a/requirements_test.txt
+++ b/requirements_test.txt
@@ -1,6 +1,6 @@
 py==1.4.30
 pytest==2.8.2
-requests==2.8.0
+requests==2.8.1
 
 # selenium
 selenium==2.48.0