diff --git a/api/cdb/client.go b/api/cdb/client.go
index 23f777aa..71ce30a6 100644
--- a/api/cdb/client.go
+++ b/api/cdb/client.go
@@ -90,6 +90,12 @@ func (c *CDBClient) SearchPackages(q *PackageQuery) ([]*Package, error) {
 	if q.Order != "" {
 		params.Add("order", string(q.Order))
 	}
+	if q.ProtocolVersion > 0 {
+		params.Add("protocol_version", fmt.Sprintf("%d", q.ProtocolVersion))
+	}
+	if q.EngineVersion != "" {
+		params.Add("engine_version", q.EngineVersion)
+	}
 
 	err := c.get("api/packages", &pkgs, params)
 	return pkgs, err
diff --git a/api/cdb/types.go b/api/cdb/types.go
index bbcfc429..bf434275 100644
--- a/api/cdb/types.go
+++ b/api/cdb/types.go
@@ -25,13 +25,15 @@ const (
 )
 
 type PackageQuery struct {
-	Type   []PackageType        `json:"type"`
-	Query  string               `json:"query"`
-	Author string               `json:"author"`
-	Limit  int                  `json:"limit"`
-	Hide   []ContentWarning     `json:"hide"`
-	Sort   PackageSortType      `json:"sort"`
-	Order  PackageSortOrderType `json:"order"`
+	Type            []PackageType        `json:"type"`
+	Query           string               `json:"query"`
+	Author          string               `json:"author"`
+	Limit           int                  `json:"limit"`
+	Hide            []ContentWarning     `json:"hide"`
+	Sort            PackageSortType      `json:"sort"`
+	Order           PackageSortOrderType `json:"order"`
+	ProtocolVersion int                  `json:"protocol_version"`
+	EngineVersion   string               `json:"engine_version"`
 }
 
 type Package struct {
diff --git a/public/js/components/pages/cdb/Install.js b/public/js/components/pages/cdb/Install.js
index b8289827..08cee839 100644
--- a/public/js/components/pages/cdb/Install.js
+++ b/public/js/components/pages/cdb/Install.js
@@ -1,10 +1,14 @@
 import DefaultLayout from "../../layouts/DefaultLayout.js";
 import { add } from "../../../service/mods.js";
 import { get_dependencies, get_package } from "../../../service/cdb.js";
+import { search_packages } from "../../../api/cdb.js";
 import { validate } from "../../../api/mods.js";
 import { START, ADMINISTRATION, MODS, CDB, CDB_DETAIL } from "../../Breadcrumb.js";
 import CDBPackageLink from "../../CDBPackageLink.js";
 
+// all cdb packages (mods, without details)
+let packages = [];
+
 export default {
     components: {
         "default-layout": DefaultLayout,
@@ -20,6 +24,7 @@ export default {
             pkg: null,
             selected_deps: {}, // modname => {author,name}
             deps: [],
+            packages: packages,
             installed_mods: {}, // modname => true
             breadcrumb: [START, ADMINISTRATION, MODS, CDB, CDB_DETAIL(author, name), {
                 name: `Install package '${author}/${name}'`,
@@ -34,6 +39,8 @@ export default {
 
         validate()
         .then(r => r.installed.forEach(modname => this.installed_mods[modname] = true))
+        .then(() =>  this.packages.length == 0 ? search_packages({ type: ["mod"] }) : this.packages)
+        .then(pkgs => { this.packages = pkgs; packages = pkgs; })
         .then(this.resolve_deps(this.author, this.name));
     },
     methods: {
@@ -67,18 +74,18 @@ export default {
                     }
 
                     // fetch all package infos and provide package choices
-                    const pl = dep.packages.map(p => {
-                        const parts = p.split("/");
-                        return get_package(parts[0], parts[1]);
+                    const choices = [];
+                    dep.packages.forEach(pkg => {
+                        const parts = pkg.split("/");
+                        const detail = this.packages.find(pkg => pkg.author == parts[0] && pkg.name == parts[1]);
+                        if (detail && detail.type == "mod") {
+                            choices.push(pkg);
+                        }
                     });
 
-                    Promise.all(pl)
-                    .then(package_choices => package_choices.filter(pc => pc.type == "mod"))
-                    .then(package_choices => {
-                        this.deps.push({
-                            name: dep.name,
-                            choices: package_choices.map(p => `${p.author}/${p.name}`)
-                        });
+                    this.deps.push({
+                        name: dep.name,
+                        choices: choices
                     });
                 });
             });