diff --git a/requirements.in b/requirements.in
index 79fc82ef..925ee48a 100644
--- a/requirements.in
+++ b/requirements.in
@@ -1,5 +1,7 @@
 -e git+https://github.com/OpenDataServices/flatten-tool.git@v0.5.0#egg=flattentool
--e git+https://github.com/open-contracting/lib-cove-ocds.git@v0.1.0#egg=libcoveocds
+# Normally lib-cove-ocds is v0.1.0 but we are hacking it to be a specially speeded up version.
+# See https://github.com/open-contracting/lib-cove-ocds/issues/9
+-e git+https://github.com/open-contracting/lib-cove-ocds.git@92e81528f2caf55b3b0a0971191bf3d0789e741b#egg=libcoveocds
 ocdskit
 Flask
 alembic
diff --git a/requirements.txt b/requirements.txt
index d0bd83df..08c0e97c 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,5 +1,5 @@
 -e git+https://github.com/OpenDataServices/flatten-tool.git@4c13ef0b32a59e810919a3de09bc8f64ce8f9392#egg=flattentool
--e git+https://github.com/open-contracting/lib-cove-ocds.git@2487c7160bb102559d34039a14bdeea38e25d5b6#egg=libcoveocds
+-e git+https://github.com/open-contracting/lib-cove-ocds.git@92e81528f2caf55b3b0a0971191bf3d0789e741b#egg=libcoveocds
 ocdskit==0.0.5
 Flask==1.0.2
 alembic==1.0.7
diff --git a/requirements_dev.txt b/requirements_dev.txt
index 7aca4134..ec84d0c1 100644
--- a/requirements_dev.txt
+++ b/requirements_dev.txt
@@ -30,7 +30,7 @@ Jinja2==2.10
 json-merge-patch==0.2
 jsonref==0.2
 jsonschema==3.0.1
--e git+https://github.com/open-contracting/lib-cove-ocds.git@2487c7160bb102559d34039a14bdeea38e25d5b6#egg=libcoveocds
+-e git+https://github.com/open-contracting/lib-cove-ocds.git@92e81528f2caf55b3b0a0971191bf3d0789e741b#egg=libcoveocds
 lxml==4.3.2
 Mako==1.0.7
 MarkupSafe==1.1.1