diff --git a/.github/workflows/yarn-scan-backend-go-pr.yml b/.github/workflows/yarn-scan-backend-go-pr.yml
index bf2df01d2..9e63d1246 100644
--- a/.github/workflows/yarn-scan-backend-go-pr.yml
+++ b/.github/workflows/yarn-scan-backend-go-pr.yml
@@ -8,7 +8,7 @@ on:
   # https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions
   pull_request:
     branches:
-      - main
+      - dev
 
 jobs:
   yarn-scan-backend-go-pr:
diff --git a/.github/workflows/yarn-scan-backend-pr.yml b/.github/workflows/yarn-scan-backend-pr.yml
index a86a6d372..4f8fa851e 100644
--- a/.github/workflows/yarn-scan-backend-pr.yml
+++ b/.github/workflows/yarn-scan-backend-pr.yml
@@ -8,7 +8,7 @@ on:
   # https://docs.github.com/en/actions/learn-github-actions/workflow-syntax-for-github-actions
   pull_request:
     branches:
-      - main
+      - dev
 
 jobs:
   yarn-scan-backend-pr:
diff --git a/cla-backend-go/Makefile b/cla-backend-go/Makefile
index 9584d3df1..6f64e78f8 100644
--- a/cla-backend-go/Makefile
+++ b/cla-backend-go/Makefile
@@ -69,7 +69,7 @@ setup-swagger:
 
 setup_dev: setup-dev
 setup-dev:
-	pushd /tmp && echo "==> Installing goimport..." && go install golang.org/x/tools/cmd/goimports@latest && echo "==> Installation coverage tools..." && go install golang.org/x/tools/cmd/cover@latest && popd
+	pushd /tmp && echo "==> Installing goimport..." && go install golang.org/x/tools/cmd/goimports@v0.24.0 && echo "==> Installation coverage tools..." && go install golang.org/x/tools/cmd/cover@latest && popd
 
 	@echo "==> Installing linter..."
 	@# Latest releases: https://github.com/golangci/golangci-lint/releases
diff --git a/cla-backend/cla/models/dynamo_models.py b/cla-backend/cla/models/dynamo_models.py
index ec92d62f5..2ceaed90f 100644
--- a/cla-backend/cla/models/dynamo_models.py
+++ b/cla-backend/cla/models/dynamo_models.py
@@ -500,6 +500,20 @@ class Meta:
 
     organization_name_lower = UnicodeAttribute(hash_key=True)
 
+class OrganizationNameLowerSearchIndex(GlobalSecondaryIndex):
+    """
+    This class represents a global secondary index for querying organizations by Organization Name.
+    """
+
+    class Meta:
+        """Meta class for external ID github org index."""
+
+        index_name = "organization-name-lower-search-index"
+        write_capacity_units = int(cla.conf["DYNAMO_WRITE_UNITS"])
+        read_capacity_units = int(cla.conf["DYNAMO_READ_UNITS"])
+        projection = AllProjection()
+
+    organization_name_lower = UnicodeAttribute(hash_key=True)
 
 class GitlabExternalGroupIDIndex(GlobalSecondaryIndex):
     """
@@ -3817,7 +3831,8 @@ class Meta:
     project_sfid = UnicodeAttribute()
     organization_sfid_index = GitlabOrgSFIndex()
     project_sfid_organization_name_index = GitlabOrgProjectSfidOrganizationNameIndex()
-    organization_name_lowe_index = GitlabOrganizationNameLowerIndex()
+    organization_name_lower_index = GitlabOrganizationNameLowerIndex()
+    organization_name_lower_search_index = OrganizationNameLowerSearchIndex()
     organization_project_id = UnicodeAttribute(null=True)
     organization_company_id = UnicodeAttribute(null=True)
     auto_enabled = BooleanAttribute(null=True)
@@ -3964,7 +3979,7 @@ def get_organization_by_installation_id(self, installation_id):
         return None
 
     def get_organization_by_lower_name(self, organization_name):
-        org_generator = self.model.scan(organization_name_lower__eq=organization_name.lower())
+        org_generator = self.model.organization_name_lower_search_index.query(organization_name.lower())
         for org_model in org_generator:
             org = GitHubOrg()
             org.model = org_model
diff --git a/cla-backend/cla/tests/unit/test_gh_org_models.py b/cla-backend/cla/tests/unit/test_gh_org_models.py
index f37dfeced..0828d0d7e 100644
--- a/cla-backend/cla/tests/unit/test_gh_org_models.py
+++ b/cla-backend/cla/tests/unit/test_gh_org_models.py
@@ -35,6 +35,6 @@ def test_set_organization_name(gh_instance):
 def test_get_org_by_name_lower(gh_instance):
     """ Test getting GitHub org with case insensitive search """
     gh_org = cla.utils.get_github_organization_instance()
-    gh_org.model.scan = Mock(return_value=[gh_instance.model])
+    gh_org.model.organization_name_lower_search_index.query = Mock(return_value=[gh_instance.model])
     found_gh_org = gh_org.get_organization_by_lower_name(gh_instance.get_organization_name())
     assert found_gh_org.get_organization_name_lower() == gh_instance.get_organization_name_lower()