diff --git a/poetry.lock b/poetry.lock
index d54ccd9dde..235c4ea28d 100644
--- a/poetry.lock
+++ b/poetry.lock
@@ -1744,6 +1744,7 @@ description = "Invenio module for record classification."
 category = "main"
 optional = false
 python-versions = "*"
+develop = false
 
 [package.dependencies]
 Flask = ">=0.11.1"
@@ -1752,10 +1753,16 @@ requests = ">=2.9.1"
 six = ">=1.10.0"
 
 [package.extras]
-all = ["Sphinx (>=1.4.2)", "Sphinx (>=1.4.2)", "check-manifest (>=0.25)", "check-manifest (>=0.25)", "coverage (>=4.0)", "coverage (>=4.0)", "isort (>=4.2.2)", "isort (>=4.2.2)", "pydocstyle (>=1.0.0)", "pydocstyle (>=1.0.0)", "pytest (>=2.8.0)", "pytest (>=2.8.0)", "pytest-cache (>=1.0)", "pytest-cache (>=1.0)", "pytest-cov (>=1.8.0)", "pytest-cov (>=1.8.0)", "pytest-pep8 (>=1.0.6)", "pytest-pep8 (>=1.0.6)"]
+all = ["Sphinx (>=1.4.2)", "check-manifest (>=0.25)", "coverage (>=4.0)", "isort (>=4.2.2)", "pydocstyle (>=1.0.0)", "pytest (>=2.8.0)", "pytest-cache (>=1.0)", "pytest-cov (>=1.8.0)", "pytest-pep8 (>=1.0.6)"]
 docs = ["Sphinx (>=1.4.2)"]
 tests = ["check-manifest (>=0.25)", "coverage (>=4.0)", "isort (>=4.2.2)", "pydocstyle (>=1.0.0)", "pytest (>=2.8.0)", "pytest-cache (>=1.0)", "pytest-cov (>=1.8.0)", "pytest-pep8 (>=1.0.6)"]
 
+[package.source]
+type = "git"
+url = "https://github.com/inveniosoftware-contrib/invenio-classifier"
+reference = "v1.3.3"
+resolved_reference = "511e4eaa8c46282b50722a254fbd2d48e9104a1f"
+
 [[package]]
 name = "invenio-config"
 version = "1.0.2"
@@ -4231,7 +4238,7 @@ build-node = ["ipdb"]
 [metadata]
 lock-version = "1.1"
 python-versions = ">=2.7,<3.0"
-content-hash = "0d8e00368e2be3cc944612cd66706f9d074e521e669e04d61f67a912cad45fe0"
+content-hash = "5d47b7605116371d6b2fac42b64187421e97758055cac46034089df303b194f6"
 
 [metadata.files]
 alabaster = [
@@ -4830,10 +4837,7 @@ invenio-celery = [
     {file = "invenio-celery-1.1.0.tar.gz", hash = "sha256:5ca9e2254dec78a58801ca749a22a379b0d81e02bfd28d7b3345613cc900d4ca"},
     {file = "invenio_celery-1.1.0-py2.py3-none-any.whl", hash = "sha256:cf6c40adbf11ba972c6c349dc5b87ae30c5894f0fa058f5856d8a91ca022501e"},
 ]
-invenio-classifier = [
-    {file = "invenio-classifier-1.3.2.tar.gz", hash = "sha256:44123e88c399cc0aa88d947b6966f5b1e292e6325f609eff9d1036e20e287669"},
-    {file = "invenio_classifier-1.3.2-py2.py3-none-any.whl", hash = "sha256:7f421d8bd17fcc5f7f4e901ac381cc5506a058e73694e2beaced7b29348c52b6"},
-]
+invenio-classifier = []
 invenio-config = [
     {file = "invenio-config-1.0.2.tar.gz", hash = "sha256:885e092f98aaf50a0bb6ecfd667e239346bb1eb6fc6762d52493842f497664d0"},
     {file = "invenio_config-1.0.2-py2.py3-none-any.whl", hash = "sha256:84f67b7fc45095800aacbad4bf23f7498d03eab9f2f2fad3a367f2c56bf1b9e4"},
diff --git a/pyproject.toml b/pyproject.toml
index 32f82d5831..97a0867f58 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -50,7 +50,7 @@ invenio-assets = "1.1.3"
 invenio-base = "==1.2.0"
 invenio-cache = "==1.0.0"
 invenio-celery = "==1.1.0"
-invenio-classifier = "==1.3.2"
+invenio-classifier = {git = "https://github.com/inveniosoftware-contrib/invenio-classifier", tag = "v1.3.3"}
 invenio-config = "==1.0.2"
 invenio-db = {version = "==1.0.4", extras = ["postgresql", "versioning"]}
 invenio-files-rest = "==1.0.5"