diff --git a/.github/workflows/test.yml b/.github/workflows/test.yml
index c9b25d4..75a6713 100644
--- a/.github/workflows/test.yml
+++ b/.github/workflows/test.yml
@@ -43,6 +43,6 @@ jobs:
           cache: true
 
       - name: golangci-lint
-        uses: golangci/golangci-lint-action@v6
+        uses: golangci/golangci-lint-action@v9
         with:
           version: latest
diff --git a/internal/client/group_membership.go b/internal/client/group_membership.go
index 88c88a9..d89b7de 100644
--- a/internal/client/group_membership.go
+++ b/internal/client/group_membership.go
@@ -96,7 +96,7 @@ func (c *Client) GetGroup(groupID string) (*GetGroupData, error) {
 	if err != nil {
 		return nil, fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
@@ -143,7 +143,7 @@ func (c *Client) CreateGroupMembership(groupID, userID, roleID string) (membersh
 	if err != nil {
 		return "", fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	respBody, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode == http.StatusConflict {
@@ -190,16 +190,16 @@ func (c *Client) ListGroupMemberships(groupID string) ([]ListGroupMembershipItem
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list group memberships: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListGroupMembershipsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		all = append(all, out.Data...)
 		if out.Links == nil || out.Links.Next == "" {
@@ -227,16 +227,16 @@ func (c *Client) GetGroupMembershipByID(groupID, membershipID string) (*ListGrou
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list group memberships: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListGroupMembershipsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		for i := range out.Data {
 			if out.Data[i].ID == membershipID {
@@ -273,16 +273,16 @@ func (c *Client) getGroupMembershipIDOfUser(groupID, userID string) (string, err
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return "", fmt.Errorf("list group memberships: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListGroupMembershipsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return "", fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		if len(out.Data) > 0 {
 			return out.Data[0].ID, nil
@@ -323,7 +323,7 @@ func (c *Client) UpdateGroupMembership(groupID, membershipID, roleID string) err
 	if err != nil {
 		return fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	respBody, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent {
@@ -351,7 +351,7 @@ func (c *Client) DeleteGroupMembership(groupID, membershipID string, cascade boo
 	if err != nil {
 		return fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
diff --git a/internal/client/group_orgs.go b/internal/client/group_orgs.go
index cd16d17..6f44b9d 100644
--- a/internal/client/group_orgs.go
+++ b/internal/client/group_orgs.go
@@ -40,16 +40,16 @@ func (c *Client) ListGroupOrgs(groupID string) ([]OrgItem, error) {
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list group orgs: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListGroupOrgsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		all = append(all, out.Data...)
 		if out.Links == nil || out.Links.Next == "" {
diff --git a/internal/client/group_roles.go b/internal/client/group_roles.go
index 66da534..b8d85b9 100644
--- a/internal/client/group_roles.go
+++ b/internal/client/group_roles.go
@@ -30,7 +30,7 @@ func (c *Client) ListGroupRolesV1(groupID string) ([]RoleItem, error) {
 	if err != nil {
 		return nil, fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
diff --git a/internal/client/org_membership.go b/internal/client/org_membership.go
index ceef871..0d2145f 100644
--- a/internal/client/org_membership.go
+++ b/internal/client/org_membership.go
@@ -95,7 +95,7 @@ func (c *Client) CreateOrgMembership(orgID, userID, roleID string) (membershipID
 	if err != nil {
 		return "", fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	respBody, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode != http.StatusCreated {
@@ -129,16 +129,16 @@ func (c *Client) ListOrgMemberships(orgID string) ([]ListOrgMembershipItem, erro
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list org memberships: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListOrgMembershipsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		all = append(all, out.Data...)
 		if out.Links == nil || out.Links.Next == "" {
@@ -166,16 +166,16 @@ func (c *Client) GetOrgMembershipByID(orgID, membershipID string) (*ListOrgMembe
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list org memberships: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListOrgMembershipsResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		for i := range out.Data {
 			if out.Data[i].ID == membershipID {
@@ -204,7 +204,7 @@ func (c *Client) DeleteOrgMembership(orgID, membershipID string) error {
 	if err != nil {
 		return fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusNoContent && resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
@@ -242,7 +242,7 @@ func (c *Client) UpdateOrgMembership(orgID, membershipID, roleID string) error {
 	if err != nil {
 		return fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	respBody, _ := io.ReadAll(resp.Body)
 	if resp.StatusCode != http.StatusOK && resp.StatusCode != http.StatusNoContent {
diff --git a/internal/client/sso.go b/internal/client/sso.go
index dee6684..6d9c60e 100644
--- a/internal/client/sso.go
+++ b/internal/client/sso.go
@@ -48,7 +48,7 @@ func (c *Client) ListGroupSSOConnections(groupID string) ([]SSOConnectionItem, e
 	if err != nil {
 		return nil, fmt.Errorf("request: %w", err)
 	}
-	defer resp.Body.Close()
+	defer func() { _ = resp.Body.Close() }()
 
 	if resp.StatusCode != http.StatusOK {
 		body, _ := io.ReadAll(resp.Body)
@@ -81,16 +81,16 @@ func (c *Client) ListGroupSSOConnectionUsers(groupID, ssoID string) ([]SSOConnec
 
 		if resp.StatusCode != http.StatusOK {
 			body, _ := io.ReadAll(resp.Body)
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("list group SSO connection users: status %d: %s", resp.StatusCode, string(body))
 		}
 
 		var out ListGroupSSOConnectionUsersResponse
 		if err := json.NewDecoder(resp.Body).Decode(&out); err != nil {
-			resp.Body.Close()
+			_ = resp.Body.Close()
 			return nil, fmt.Errorf("decode response: %w", err)
 		}
-		resp.Body.Close()
+		_ = resp.Body.Close()
 
 		all = append(all, out.Data...)
 		if out.Links == nil || out.Links.Next == "" {
diff --git a/internal/provider/provider_test.go b/internal/provider/provider_test.go
index 4498c9a..a736eb6 100644
--- a/internal/provider/provider_test.go
+++ b/internal/provider/provider_test.go
@@ -14,7 +14,7 @@ func TestNew(t *testing.T) {
 	if p == nil {
 		t.Fatal("nil provider")
 	}
-	var _ tfprovider.Provider = p
+	var _ = p
 }
 
 func TestSnykIdentityProvider_Metadata(t *testing.T) {