diff --git a/models/issues/review.go b/models/issues/review.go
index 1cb99dc337..5835900801 100644
--- a/models/issues/review.go
+++ b/models/issues/review.go
@@ -19,6 +19,7 @@ import (
 	"code.gitea.io/gitea/modules/base"
 	"code.gitea.io/gitea/modules/structs"
 	"code.gitea.io/gitea/modules/timeutil"
+	"code.gitea.io/gitea/modules/util"
 
 	"xorm.io/builder"
 )
@@ -474,6 +475,35 @@ func SubmitReview(doer *user_model.User, issue *Issue, reviewType ReviewType, co
 	return review, comm, committer.Commit()
 }
 
+// GetReviewOptions represent filter options for GetReviews
+type GetReviewOptions struct {
+	IssueID    int64
+	ReviewerID int64
+	Dismissed  util.OptionalBool
+}
+
+// GetReviews return reviews based on GetReviewOptions
+func GetReviews(ctx context.Context, opts *GetReviewOptions) ([]*Review, error) {
+	if opts == nil {
+		return nil, fmt.Errorf("opts are nil")
+	}
+
+	sess := db.GetEngine(ctx)
+
+	if opts.IssueID != 0 {
+		sess = sess.Where("issue_id=?", opts.IssueID)
+	}
+	if opts.ReviewerID != 0 {
+		sess = sess.Where("reviewer_id=?", opts.ReviewerID)
+	}
+	if !opts.Dismissed.IsNone() {
+		sess = sess.Where("dismissed=?", opts.Dismissed.IsTrue())
+	}
+
+	reviews := make([]*Review, 0, 4)
+	return reviews, sess.Find(&reviews)
+}
+
 // GetReviewersByIssueID gets the latest review of each reviewer for a pull request
 func GetReviewersByIssueID(issueID int64) ([]*Review, error) {
 	reviews := make([]*Review, 0, 10)
diff --git a/modules/structs/pull_review.go b/modules/structs/pull_review.go
index 6544604acb..7c9360a0c2 100644
--- a/modules/structs/pull_review.go
+++ b/modules/structs/pull_review.go
@@ -97,6 +97,7 @@ type SubmitPullReviewOptions struct {
 // DismissPullReviewOptions are options to dismiss a pull review
 type DismissPullReviewOptions struct {
 	Message string `json:"message"`
+	Priors  bool   `json:"priors"`
 }
 
 // PullReviewRequestOptions are options to add or remove pull review requests
diff --git a/routers/api/v1/repo/pull_review.go b/routers/api/v1/repo/pull_review.go
index 1b61a40222..f36d0586ab 100644
--- a/routers/api/v1/repo/pull_review.go
+++ b/routers/api/v1/repo/pull_review.go
@@ -823,7 +823,7 @@ func DismissPullReview(ctx *context.APIContext) {
 	//   "422":
 	//     "$ref": "#/responses/validationError"
 	opts := web.GetForm(ctx).(*api.DismissPullReviewOptions)
-	dismissReview(ctx, opts.Message, true)
+	dismissReview(ctx, opts.Message, true, opts.Priors)
 }
 
 // UnDismissPullReview cancel to dismiss a review for a pull request
@@ -863,10 +863,10 @@ func UnDismissPullReview(ctx *context.APIContext) {
 	//     "$ref": "#/responses/forbidden"
 	//   "422":
 	//     "$ref": "#/responses/validationError"
-	dismissReview(ctx, "", false)
+	dismissReview(ctx, "", false, false)
 }
 
-func dismissReview(ctx *context.APIContext, msg string, isDismiss bool) {
+func dismissReview(ctx *context.APIContext, msg string, isDismiss, dismissPriors bool) {
 	if !ctx.Repo.IsAdmin() {
 		ctx.Error(http.StatusForbidden, "", "Must be repo admin")
 		return
@@ -886,7 +886,7 @@ func dismissReview(ctx *context.APIContext, msg string, isDismiss bool) {
 		return
 	}
 
-	_, err := pull_service.DismissReview(ctx, review.ID, ctx.Repo.Repository.ID, msg, ctx.Doer, isDismiss)
+	_, err := pull_service.DismissReview(ctx, review.ID, ctx.Repo.Repository.ID, msg, ctx.Doer, isDismiss, dismissPriors)
 	if err != nil {
 		ctx.Error(http.StatusInternalServerError, "pull_service.DismissReview", err)
 		return
diff --git a/routers/web/repo/pull_review.go b/routers/web/repo/pull_review.go
index 5a9f7a8138..bc64f35472 100644
--- a/routers/web/repo/pull_review.go
+++ b/routers/web/repo/pull_review.go
@@ -242,7 +242,7 @@ func SubmitReview(ctx *context.Context) {
 // DismissReview dismissing stale review by repo admin
 func DismissReview(ctx *context.Context) {
 	form := web.GetForm(ctx).(*forms.DismissReviewForm)
-	comm, err := pull_service.DismissReview(ctx, form.ReviewID, ctx.Repo.Repository.ID, form.Message, ctx.Doer, true)
+	comm, err := pull_service.DismissReview(ctx, form.ReviewID, ctx.Repo.Repository.ID, form.Message, ctx.Doer, true, true)
 	if err != nil {
 		ctx.ServerError("pull_service.DismissReview", err)
 		return
diff --git a/services/pull/review.go b/services/pull/review.go
index 22e0ae9853..8d8903c6a9 100644
--- a/services/pull/review.go
+++ b/services/pull/review.go
@@ -20,6 +20,7 @@ import (
 	"code.gitea.io/gitea/modules/log"
 	"code.gitea.io/gitea/modules/notification"
 	"code.gitea.io/gitea/modules/setting"
+	"code.gitea.io/gitea/modules/util"
 )
 
 // CreateCodeComment creates a comment on the code line
@@ -271,7 +272,7 @@ func SubmitReview(ctx context.Context, doer *user_model.User, gitRepo *git.Repos
 }
 
 // DismissReview dismissing stale review by repo admin
-func DismissReview(ctx context.Context, reviewID, repoID int64, message string, doer *user_model.User, isDismiss bool) (comment *issues_model.Comment, err error) {
+func DismissReview(ctx context.Context, reviewID, repoID int64, message string, doer *user_model.User, isDismiss, dismissPriors bool) (comment *issues_model.Comment, err error) {
 	review, err := issues_model.GetReviewByID(ctx, reviewID)
 	if err != nil {
 		return
@@ -295,6 +296,22 @@ func DismissReview(ctx context.Context, reviewID, repoID int64, message string,
 		return
 	}
 
+	if dismissPriors {
+		reviews, err := issues_model.GetReviews(ctx, &issues_model.GetReviewOptions{
+			IssueID:    review.IssueID,
+			ReviewerID: review.ReviewerID,
+			Dismissed:  util.OptionalBoolFalse,
+		})
+		if err != nil {
+			return nil, err
+		}
+		for _, oldReview := range reviews {
+			if err = issues_model.DismissReview(oldReview, true); err != nil {
+				return nil, err
+			}
+		}
+	}
+
 	if !isDismiss {
 		return nil, nil
 	}
diff --git a/templates/swagger/v1_json.tmpl b/templates/swagger/v1_json.tmpl
index a3bb904845..ff0b4c6468 100644
--- a/templates/swagger/v1_json.tmpl
+++ b/templates/swagger/v1_json.tmpl
@@ -14864,6 +14864,10 @@
         "message": {
           "type": "string",
           "x-go-name": "Message"
+        },
+        "priors": {
+          "type": "boolean",
+          "x-go-name": "Priors"
         }
       },
       "x-go-package": "code.gitea.io/gitea/modules/structs"