diff --git a/sdrbase/resources/index.html b/sdrbase/resources/index.html
index 96705b314..d7bcb2132 100644
--- a/sdrbase/resources/index.html
+++ b/sdrbase/resources/index.html
@@ -1050,12 +1050,16 @@ margin-bottom: 20px;
   "description" : "Summarized information about logical devices from hardware devices attached to this SDRangel instance"
 };
             defs.InstanceSummaryResponse = {
-  "required" : [ "devicesetlist", "version" ],
+  "required" : [ "devicesetlist", "qtVersion", "version" ],
   "properties" : {
     "version" : {
       "type" : "string",
       "description" : "Current software version"
     },
+    "qtVersion" : {
+      "type" : "string",
+      "description" : "Qt version with which the software was compiled"
+    },
     "logging" : {
       "$ref" : "#/definitions/LoggingInfo"
     },
@@ -14085,7 +14089,7 @@ except ApiException as e:
           </div>
           <div id="generator">
             <div class="content">
-              Generated 2017-12-18T01:56:22.008+01:00
+              Generated 2017-12-18T13:11:28.683+01:00
             </div>
           </div>
       </div>
diff --git a/sdrgui/webapi/webapiadaptergui.cpp b/sdrgui/webapi/webapiadaptergui.cpp
index 1489b1855..6902dcf4c 100644
--- a/sdrgui/webapi/webapiadaptergui.cpp
+++ b/sdrgui/webapi/webapiadaptergui.cpp
@@ -72,6 +72,7 @@ int WebAPIAdapterGUI::instanceSummary(
 {
 
     *response.getVersion() = qApp->applicationVersion();
+    *response.getQtVersion() = QString(QT_VERSION_STR);
 
     SWGSDRangel::SWGLoggingInfo *logging = response.getLogging();
     logging->init();
diff --git a/sdrsrv/webapi/webapiadaptersrv.cpp b/sdrsrv/webapi/webapiadaptersrv.cpp
index 4711d817e..5beda3086 100644
--- a/sdrsrv/webapi/webapiadaptersrv.cpp
+++ b/sdrsrv/webapi/webapiadaptersrv.cpp
@@ -50,6 +50,7 @@ int WebAPIAdapterSrv::instanceSummary(
 {
 
     *response.getVersion() = QCoreApplication::instance()->applicationVersion();
+    *response.getQtVersion() = QString(QT_VERSION_STR);
 
     SWGSDRangel::SWGLoggingInfo *logging = response.getLogging();
     logging->init();
diff --git a/swagger/sdrangel/api/swagger/swagger.yaml b/swagger/sdrangel/api/swagger/swagger.yaml
index 243375154..b9ff98624 100644
--- a/swagger/sdrangel/api/swagger/swagger.yaml
+++ b/swagger/sdrangel/api/swagger/swagger.yaml
@@ -936,11 +936,15 @@ definitions:
     description: "Summarized information about this SDRangel instance"
     required:
       - version
+      - qtVersion
       - devicesetlist
     properties:
       version:
         description: "Current software version"
         type: string
+      qtVersion:
+        description: "Qt version with which the software was compiled"
+        type: string
       logging:
         $ref: "#/definitions/LoggingInfo"
       devicesetlist:
diff --git a/swagger/sdrangel/code/html2/index.html b/swagger/sdrangel/code/html2/index.html
index 96705b314..d7bcb2132 100644
--- a/swagger/sdrangel/code/html2/index.html
+++ b/swagger/sdrangel/code/html2/index.html
@@ -1050,12 +1050,16 @@ margin-bottom: 20px;
   "description" : "Summarized information about logical devices from hardware devices attached to this SDRangel instance"
 };
             defs.InstanceSummaryResponse = {
-  "required" : [ "devicesetlist", "version" ],
+  "required" : [ "devicesetlist", "qtVersion", "version" ],
   "properties" : {
     "version" : {
       "type" : "string",
       "description" : "Current software version"
     },
+    "qtVersion" : {
+      "type" : "string",
+      "description" : "Qt version with which the software was compiled"
+    },
     "logging" : {
       "$ref" : "#/definitions/LoggingInfo"
     },
@@ -14085,7 +14089,7 @@ except ApiException as e:
           </div>
           <div id="generator">
             <div class="content">
-              Generated 2017-12-18T01:56:22.008+01:00
+              Generated 2017-12-18T13:11:28.683+01:00
             </div>
           </div>
       </div>
diff --git a/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.cpp b/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.cpp
index 0c41e7ea1..e54aca419 100644
--- a/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.cpp
+++ b/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.cpp
@@ -38,6 +38,7 @@ SWGInstanceSummaryResponse::~SWGInstanceSummaryResponse() {
 void
 SWGInstanceSummaryResponse::init() {
     version = new QString("");
+    qt_version = new QString("");
     logging = new SWGLoggingInfo();
     devicesetlist = new SWGDeviceSetList();
 }
@@ -49,6 +50,10 @@ SWGInstanceSummaryResponse::cleanup() {
         delete version;
     }
 
+    if(qt_version != nullptr) {
+        delete qt_version;
+    }
+
     if(logging != nullptr) {
         delete logging;
     }
@@ -70,6 +75,7 @@ SWGInstanceSummaryResponse::fromJson(QString &json) {
 void
 SWGInstanceSummaryResponse::fromJsonObject(QJsonObject &pJson) {
     ::SWGSDRangel::setValue(&version, pJson["version"], "QString", "QString");
+    ::SWGSDRangel::setValue(&qt_version, pJson["qtVersion"], "QString", "QString");
     ::SWGSDRangel::setValue(&logging, pJson["logging"], "SWGLoggingInfo", "SWGLoggingInfo");
     ::SWGSDRangel::setValue(&devicesetlist, pJson["devicesetlist"], "SWGDeviceSetList", "SWGDeviceSetList");
 }
@@ -90,6 +96,8 @@ SWGInstanceSummaryResponse::asJsonObject() {
     
     toJsonValue(QString("version"), version, obj, QString("QString"));
 
+    toJsonValue(QString("qtVersion"), qt_version, obj, QString("QString"));
+
     toJsonValue(QString("logging"), logging, obj, QString("SWGLoggingInfo"));
 
     toJsonValue(QString("devicesetlist"), devicesetlist, obj, QString("SWGDeviceSetList"));
@@ -106,6 +114,15 @@ SWGInstanceSummaryResponse::setVersion(QString* version) {
     this->version = version;
 }
 
+QString*
+SWGInstanceSummaryResponse::getQtVersion() {
+    return qt_version;
+}
+void
+SWGInstanceSummaryResponse::setQtVersion(QString* qt_version) {
+    this->qt_version = qt_version;
+}
+
 SWGLoggingInfo*
 SWGInstanceSummaryResponse::getLogging() {
     return logging;
diff --git a/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.h b/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.h
index c531ebf37..6b658a30a 100644
--- a/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.h
+++ b/swagger/sdrangel/code/qt5/client/SWGInstanceSummaryResponse.h
@@ -47,6 +47,9 @@ public:
     QString* getVersion();
     void setVersion(QString* version);
 
+    QString* getQtVersion();
+    void setQtVersion(QString* qt_version);
+
     SWGLoggingInfo* getLogging();
     void setLogging(SWGLoggingInfo* logging);
 
@@ -56,6 +59,7 @@ public:
 
 private:
     QString* version;
+    QString* qt_version;
     SWGLoggingInfo* logging;
     SWGDeviceSetList* devicesetlist;
 };