diff --git a/ckan/requirements.txt b/ckan/requirements.txt
index 879d9e87..fa949dad 100644
--- a/ckan/requirements.txt
+++ b/ckan/requirements.txt
@@ -22,7 +22,7 @@ ckanext-envvars==0.0.1
 -e git+https://github.com/ckan/ckanext-harvest.git@6222e38c85f04027f3fd9b2894a9c26ee7bd172f#egg=ckanext-harvest
 -e git+https://github.com/ckan/ckanext-qa.git@d7d384cb18a85243ea62ef0bcc76bc1775f1c806#egg=ckanext-qa
 -e git+https://github.com/davidread/ckanext-report.git@b67875b2a5b4c9b9ab2cf255f074226255ca9398#egg=ckanext-report
--e git+https://github.com/keitaroinc/ckanext-saml2auth.git@0b4ffc846b6b88190d4d06f043eb05d20716169c#egg=ckanext-saml2auth
+-e git+https://github.com/keitaroinc/ckanext-saml2auth.git@d77d85349c7a6fcfa5a14c19a56b53eacf137a7c#egg=ckanext-saml2auth
 -e git+https://github.com/ckan/ckanext-spatial.git@4ac25f19aa4eb9c798451f5eeb3084f907ccc003#egg=ckanext-spatial
 ckantoolkit==0.0.3
 click==6.7
@@ -82,7 +82,7 @@ pylons==0.9.7
 pyopenssl==20.0.1
 pyparsing==2.4.7
 -e git+https://github.com/GSA/pysaml2.git@c26a4893ff4c8d97e5f7994809ccb96a9d12caa3#egg=pysaml2
-pysolr==3.9.0
+pysolr==3.8.0
 python-dateutil==1.5
 python-magic==0.4.15
 python2-secrets==1.0.5
diff --git a/requirements/poetry.lock b/requirements/poetry.lock
index f8f9d954..d70d520a 100644
--- a/requirements/poetry.lock
+++ b/requirements/poetry.lock
@@ -311,7 +311,7 @@ python-versions = "*"
 version = "0.0.2"
 
 [package.source]
-reference = "0b4ffc846b6b88190d4d06f043eb05d20716169c"
+reference = "d77d85349c7a6fcfa5a14c19a56b53eacf137a7c"
 type = "git"
 url = "https://github.com/keitaroinc/ckanext-saml2auth.git"
 [[package]]
@@ -1015,17 +1015,17 @@ type = "git"
 url = "https://github.com/GSA/pysaml2.git"
 [[package]]
 category = "main"
-description = "Lightweight Python client for Apache Solr"
+description = "Lightweight python wrapper for Apache Solr."
 name = "pysolr"
 optional = false
 python-versions = "*"
-version = "3.9.0"
+version = "3.8.0"
 
 [package.dependencies]
 requests = ">=2.9.1"
 
 [package.extras]
-solrcloud = ["kazoo (>=2.5.0)"]
+solrcloud = ["kazoo (2.2)"]
 
 [[package]]
 category = "main"
@@ -1437,7 +1437,7 @@ test = ["zope.event"]
 testing = ["zope.event", "nose", "coverage"]
 
 [metadata]
-content-hash = "2b564a79500290226324432f2208f7180527425531c766ce968e041931123c0c"
+content-hash = "2eeda4988a636718c3e00a9ac9f20896c2f929517df8fe72c13a66de860eec38"
 lock-version = "1.0"
 python-versions = "^2.7"
 
@@ -1940,7 +1940,8 @@ pyparsing = [
 ]
 pysaml2 = []
 pysolr = [
-    {file = "pysolr-3.9.0.tar.gz", hash = "sha256:6ef05feb87c614894243eddc62e9b0a6134a889c159ae868655cf6cd749545e6"},
+    {file = "pysolr-3.8.0-py2.py3-none-any.whl", hash = "sha256:aaee89ac3fa6aec53de497eabbb9e68f1d7d61e38599ca8459157e55146be99a"},
+    {file = "pysolr-3.8.0.tar.gz", hash = "sha256:93c720cf80d63dfcb75fc0e8c90256de072eab5f4862448c064ff0aa6f536303"},
 ]
 python-dateutil = [
     {file = "python-dateutil-1.5.tar.gz", hash = "sha256:6f197348b46fb8cdf9f3fcfc2a7d5a97da95db3e2e8667cf657216274fe1b009"},
diff --git a/requirements/pyproject.toml b/requirements/pyproject.toml
index 90ae22b6..94a274a4 100644
--- a/requirements/pyproject.toml
+++ b/requirements/pyproject.toml
@@ -107,7 +107,7 @@ passlib = "1.7.3"
 polib = "1.0.7"
 psycopg2 = "2.7.3.2"
 python-magic = "0.4.15"
-pysolr = "3.9.0"
+pysolr = "3.8.0"
 python-dateutil = "<2.0.0,>=1.5.0"
 pytz = "2016.7"
 requests = "2.22.0"