diff --git a/.travis.yml b/.travis.yml
index 82cd5ee..0e408ec 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -58,7 +58,7 @@
     - d: ldc-1.3.0
       env: [FRONTEND=2.073]
     - stage: deploy
-      d: ldc-1.14.0
+      d: ldc-1.15.0
       os: osx
       script: echo "Deploying to GitHub releases ..." && ./release.sh
       deploy:
@@ -69,7 +69,7 @@
           api_key: $GH_REPO_TOKEN
           on:
             tags: true
-    - d: ldc-1.13.0
+    - d: ldc-1.15.0
       script: echo "Deploying to GitHub releases ..." && ./release.sh
       env: [ARCH=32]
       addons:
@@ -85,7 +85,7 @@
           api_key: $GH_REPO_TOKEN
           on:
             tags: true
-    - d: ldc-1.14.0
+    - d: ldc-1.15.0
       script: echo "Deploying to GitHub releases ..." && ./release.sh
       deploy:
         - provider: releases
@@ -95,7 +95,7 @@
           api_key: $GH_REPO_TOKEN
           on:
             tags: true
-    - d: ldc-1.14.0
+    - d: ldc-1.15.0
       script: echo "Deploying to GitHub releases (win32) ..." && ./release-windows.sh
       addons:
         apt:
@@ -109,7 +109,7 @@
           api_key: $GH_REPO_TOKEN
           on:
             tags: true
-    - d: ldc-1.14.0
+    - d: ldc-1.15.0
       script: echo "Deploying to GitHub releases (win64) ..." && ARCH=64 ./release-windows.sh
       addons:
         apt:
diff --git a/changelog/single-api-requests.dd b/changelog/single-api-requests.dd
new file mode 100644
index 0000000..a8b15a3
--- /dev/null
+++ b/changelog/single-api-requests.dd
@@ -0,0 +1,4 @@
+DUB uses single API requests to upgrade/resolve dependencies.
+
+`dub` now uses single API request to upgrade/resolve dependencies.
+For more details, see $(LINK2 https://github.com/dlang/dub/pull/1366, pull #1366).
diff --git a/source/dub/packagesuppliers/registry.d b/source/dub/packagesuppliers/registry.d
index 546dac0..470f636 100644
--- a/source/dub/packagesuppliers/registry.d
+++ b/source/dub/packagesuppliers/registry.d
@@ -86,24 +86,21 @@
 			m_metadataCache.remove(packageId);
 		}
 
-		auto url = m_registryUrl ~ NativePath("api/packages/" ~ packageId ~ "/info?minimize=true");
+		auto url = m_registryUrl ~ NativePath("api/packages/infos?packages=[\"" ~
+				packageId ~ "\"]&include_dependencies=true&minimize=true");
 
 		logDebug("Downloading metadata for %s", packageId);
 		string jsonData;
 
-		try
-			jsonData = cast(string)retryDownload(url);
-		catch(HTTPStatusException e) {
-			if (e.status == 404) {
-				logDebug("Package %s not found at %s (404): %s", packageId, description, e.msg);
-				return Json(null);
-			}
-			else throw e;
-		}
+		jsonData = cast(string)retryDownload(url);
 
 		Json json = parseJsonString(jsonData, url.toString());
-		m_metadataCache[packageId] = CacheEntry(json, now);
-		return json;
+		foreach (pkg, info; json.get!(Json[string]))
+		{
+			logDebug("adding %s to metadata cache", pkg);
+			m_metadataCache[pkg] = CacheEntry(info, now);
+		}
+		return json[packageId];
 	}
 
 	SearchResult[] searchPackages(string query) {
diff --git a/test/issue1336-registry/api/packages/gitcompatibledubpackage/info__minimize=true b/test/issue1336-registry/api/packages/gitcompatibledubpackage/info__minimize=true
deleted file mode 100644
index 6f0d641..0000000
--- a/test/issue1336-registry/api/packages/gitcompatibledubpackage/info__minimize=true
+++ /dev/null
@@ -1 +0,0 @@
-{"repository":{"project":"gitcompatibledubpackage","owner":"dlang-community","kind":"github"},"dateAdded":"2017-02-11T21:00:16","name":"gitcompatibledubpackage","categories":[],"owner":"5148973d2179ddb20b0002fd","id":"589f6d501c18646d0ee49f12","versions":[{"packageDescriptionFile":"dub.sdl","configurations":[{"name":"exe","targetType":"executable","mainSourceFile":"hello.d"},{"excludedSourceFiles":["hello.d"],"name":"lib","targetType":"library"}],"commitID":"9e3972be4c63790c32257220f40c0af7dc41bec5","importPaths":[".."],"name":"gitcompatibledubpackage","version":"~master","license":"public domain","readmeFile":"/README.md","date":"2017-09-18T18:18:35Z","description":"Example of a DUB package also usable as git submodule. For DUB test suite.","sourcePaths":["."]},{"packageDescriptionFile":"dub.json","commitID":"b62466d32dd6bbb0d45f9a73c91142205d1048e5","importPaths":[".."],"name":"gitcompatibledubpackage","version":"1.0.1","license":"public domain","readmeFile":"/README.md","date":"2015-10-31T11:09:14Z","description":"Example of a DUB package also usable as git submodule. For DUB test suite."},{"packageDescriptionFile":"dub.json","commitID":"cef89b5513a140b1e3417809f59d1957ddaad837","importPaths":[".."],"name":"gitcompatibledubpackage","version":"1.0.2","license":"public domain","readmeFile":"/README.md","date":"2015-10-31T11:23:53Z","description":"Example of a DUB package also usable as git submodule. For DUB test suite.","sourcePaths":["."]},{"packageDescriptionFile":"dub.json","commitID":"d36e49d31b26ea76e1670e9d5cd89aaac40fde75","importPaths":[".."],"name":"gitcompatibledubpackage","version":"1.0.3","targetType":"executable","license":"public domain","readmeFile":"/README.md","date":"2017-04-05T22:12:48Z","description":"Example of a DUB package also usable as git submodule. For DUB test suite.","mainSourceFile":"hello.d","sourcePaths":["."]},{"packageDescriptionFile":"dub.sdl","configurations":[{"name":"exe","targetType":"executable","mainSourceFile":"hello.d"},{"excludedSourceFiles":["hello.d"],"name":"lib","targetType":"library"}],"commitID":"9e3972be4c63790c32257220f40c0af7dc41bec5","importPaths":[".."],"name":"gitcompatibledubpackage","version":"1.0.4","license":"public domain","readmeFile":"/README.md","date":"2017-09-18T18:18:35Z","description":"Example of a DUB package also usable as git submodule. For DUB test suite.","sourcePaths":["."]}]}
\ No newline at end of file
diff --git a/test/issue1336-registry/api/packages/infos__packages=%5B%22gitcompatibledubpackage%22%5D&include_dependencies=true&minimize=true b/test/issue1336-registry/api/packages/infos__packages=%5B%22gitcompatibledubpackage%22%5D&include_dependencies=true&minimize=true
new file mode 100644
index 0000000..7258e3d
--- /dev/null
+++ b/test/issue1336-registry/api/packages/infos__packages=%5B%22gitcompatibledubpackage%22%5D&include_dependencies=true&minimize=true
@@ -0,0 +1,3 @@
+{
+	"gitcompatibledubpackage": {"versions":[{"configurations":[{"name":"exe"},{"name":"lib"}],"version":"~master","name":"gitcompatibledubpackage"},{"version":"1.0.1","name":"gitcompatibledubpackage"},{"version":"1.0.2","name":"gitcompatibledubpackage"},{"version":"1.0.3","name":"gitcompatibledubpackage"},{"configurations":[{"name":"exe"},{"name":"lib"}],"version":"1.0.4","name":"gitcompatibledubpackage"}]}
+}
\ No newline at end of file