diff --git a/.gitmodules b/.gitmodules
index 59e5312..02de1fd 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -14,3 +14,6 @@
 [submodule "stdx-allocator"]
 	path = stdx-allocator
 	url = https://github.com/dlang-community/stdx-allocator
+[submodule "d-test-utils"]
+	path = d-test-utils
+	url = https://github.com/dlang-community/d-test-utils.git
diff --git a/.travis.sh b/.travis.sh
index 31d68f3..8c47256 100755
--- a/.travis.sh
+++ b/.travis.sh
@@ -3,8 +3,16 @@
 set -e
 
 if [[ $BUILD == dub ]]; then
-    dub build --build=release --config=client
-    dub build --build=release --config=server
+    if [[ -n $LIBDPARSE_VERSION ]]; then
+        rdmd ./d-test-utils/test_with_package.d $LIBDPARSE_VERSION libdparse -- dub build --build=release --config=client
+        rdmd ./d-test-utils/test_with_package.d $LIBDPARSE_VERSION libdparse -- dub build --build=release --config=server
+    elif [[ -n $DSYMBOL_VERSION ]]; then
+        rdmd ./d-test-utils/test_with_package.d $DSYMBOL_VERSION dsymbol -- dub build --build=release --config=client
+        rdmd ./d-test-utils/test_with_package.d $DSYMBOL_VERSION dsymbol -- dub build --build=release --config=server
+    else
+        echo 'Cannot run test without LIBDPARSE_VERSION nor DSYMBOL_VERSION environment variable'
+        exit 1
+    fi
 elif [[ $DC == ldc2 ]]; then
     git submodule update --init --recursive
     make ldc -j2
diff --git a/.travis.yml b/.travis.yml
index a5ac3ac..046ecee 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,7 +13,10 @@ os:
 
 env:
   - BUILD=
-  - BUILD=dub
+  - BUILD=dub LIBDPARSE_VERSION=min
+  - BUILD=dub LIBDPARSE_VERSION=max
+  - BUILD=dub DSYMBOL_VERSION=min
+  - BUILD=dub DSYMBOL_VERSION=max
 
 branches:
   only:
diff --git a/d-test-utils b/d-test-utils
new file mode 160000
index 0000000..206a2e6
--- /dev/null
+++ b/d-test-utils
@@ -0,0 +1 @@
+Subproject commit 206a2e6abd97b4462f3a320e4f2d23986fad3cff
diff --git a/dsymbol b/dsymbol
index f4a481c..71168a8 160000
--- a/dsymbol
+++ b/dsymbol
@@ -1 +1 @@
-Subproject commit f4a481cdc23b58ce544c2e91a39d5c0d406b67ac
+Subproject commit 71168a8449958e1807a8ba22c8a4df15456bae83
diff --git a/dub.json b/dub.json
index be04c88..d88424a 100644
--- a/dub.json
+++ b/dub.json
@@ -7,8 +7,8 @@
   ],
   "license": "GPL-3.0",
   "dependencies": {
-    "dsymbol": "~>0.9.0",
-    "libdparse": "~>0.13.0",
+    "dsymbol": ">=0.11.0 <0.12.0",
+    "libdparse": ">=0.15.0 <0.16.0",
     ":common": "*",
     "stdx-allocator": "~>2.77.5",
     "emsi_containers": "~>0.8.0-alpha.15"
diff --git a/libdparse b/libdparse
index 5270739..f9a8284 160000
--- a/libdparse
+++ b/libdparse
@@ -1 +1 @@
-Subproject commit 5270739bcd1962418784c7760773e24d28b6009b
+Subproject commit f9a82848fe98a84f38a66df950514c3556e7fb2d