diff --git a/requirements.in b/requirements.in
index 5a59b92..4d8a358 100644
--- a/requirements.in
+++ b/requirements.in
@@ -2,6 +2,6 @@
 dealer==2.0.5
 Django<1.12
 -e git+https://github.com/OpenDataServices/flatten-tool.git@v0.5.0#egg=flattentool
--e git+https://github.com/OpenDataServices/lib-cove.git@e1a6132fecdc2000ed03d82da9c2cc4dae3bd442#egg=libcove
+-e git+https://github.com/OpenDataServices/lib-cove.git@ef17b94fdea4b4678293526db33497b2751351dcc#egg=libcove
 -e git+https://github.com/openownership/lib-cove-bods.git@dbb3cd4f4dc1ba08dcf5d3e987decfc02fa57096#egg=libcovebods
 -e git+https://github.com/OpenDataServices/lib-cove-web.git@v0.2.0#egg=libcoveweb
diff --git a/requirements.txt b/requirements.txt
index 6b1b904..c691e86 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -2,7 +2,7 @@
 dealer==2.0.5
 Django==1.11.20
 -e git+https://github.com/OpenDataServices/flatten-tool.git@4c13ef0b32a59e810919a3de09bc8f64ce8f9392#egg=flattentool
--e git+https://github.com/OpenDataServices/lib-cove.git@e1a6132fecdc2000ed03d82da9c2cc4dae3bd442#egg=libcove
+-e git+https://github.com/OpenDataServices/lib-cove.git@ef17b94fdea4b4678293526db33497b2751351dcc#egg=libcove
 -e git+https://github.com/openownership/lib-cove-bods.git@dbb3cd4f4dc1ba08dcf5d3e987decfc02fa57096#egg=libcovebods
 -e git+https://github.com/OpenDataServices/lib-cove-web.git@394b1ec89cc2cbd8840278cf1be125ee39db8442#egg=libcoveweb
 ## The following requirements were added by pip freeze:
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 227e95b..cdd15c0 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -27,7 +27,7 @@ json-merge-patch==0.2
 jsonref==0.2
 jsonschema==2.6.0
 LEPL==5.1.3
--e git+https://github.com/OpenDataServices/lib-cove.git@e1a6132fecdc2000ed03d82da9c2cc4dae3bd442#egg=libcove
+-e git+https://github.com/OpenDataServices/lib-cove.git@ef17b94fdea4b4678293526db33497b2751351dcc#egg=libcove
 -e git+https://github.com/openownership/lib-cove-bods.git@dbb3cd4f4dc1ba08dcf5d3e987decfc02fa57096#egg=libcovebods
 -e git+https://github.com/OpenDataServices/lib-cove-web.git@394b1ec89cc2cbd8840278cf1be125ee39db8442#egg=libcoveweb
 lxml==4.3.1