diff --git a/include/maxscale/filter.h b/include/maxscale/filter.h
index 4a7c84020..5aae90767 100644
--- a/include/maxscale/filter.h
+++ b/include/maxscale/filter.h
@@ -214,7 +214,7 @@ typedef struct mxs_filter_object
  * is changed these values must be updated in line with the rules in the
  * file modinfo.h.
  */
-#define MXS_FILTER_VERSION  {2, 2, 0}
+#define MXS_FILTER_VERSION  {3, 0, 0}
 
 /**
  * MXS_FILTER_DEF represents a filter definition from the configuration file.
diff --git a/include/maxscale/monitor.h b/include/maxscale/monitor.h
index b8d9450d8..7b5a66916 100644
--- a/include/maxscale/monitor.h
+++ b/include/maxscale/monitor.h
@@ -95,7 +95,7 @@ typedef struct mxs_monitor_object
  * The monitor API version number. Any change to the monitor module API
  * must change these versions using the rules defined in modinfo.h
  */
-#define MXS_MONITOR_VERSION {3, 0, 0}
+#define MXS_MONITOR_VERSION {3, 1, 0}
 
 /**
  * Specifies capabilities specific for monitor.
diff --git a/include/maxscale/query_classifier.h b/include/maxscale/query_classifier.h
index 34396ba09..fce557878 100644
--- a/include/maxscale/query_classifier.h
+++ b/include/maxscale/query_classifier.h
@@ -17,7 +17,7 @@
 
 MXS_BEGIN_DECLS
 
-#define QUERY_CLASSIFIER_VERSION {1, 1, 0}
+#define MXS_QUERY_CLASSIFIER_VERSION {2, 0, 0}
 
 /**
  * qc_init_kind_t specifies what kind of initialization should be performed.
diff --git a/include/maxscale/router.h b/include/maxscale/router.h
index 92df7af60..a545d3597 100644
--- a/include/maxscale/router.h
+++ b/include/maxscale/router.h
@@ -218,7 +218,7 @@ typedef struct mxs_router_object
  * must update these versions numbers in accordance with the rules in
  * modinfo.h.
  */
-#define MXS_ROUTER_VERSION  { 2, 0, 0 }
+#define MXS_ROUTER_VERSION  { 3, 0, 0 }
 
 /**
  * Specifies capabilities specific for routers. Common capabilities
diff --git a/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc b/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
index e398a343d..4298ff604 100644
--- a/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
+++ b/query_classifier/qc_mysqlembedded/qc_mysqlembedded.cc
@@ -3526,7 +3526,7 @@ extern "C"
         {
             MXS_MODULE_API_QUERY_CLASSIFIER,
             MXS_MODULE_IN_DEVELOPMENT,
-            QUERY_CLASSIFIER_VERSION,
+            MXS_QUERY_CLASSIFIER_VERSION,
             "Query classifier based upon MySQL Embedded",
             "V1.0.0",
             MXS_NO_MODULE_CAPABILITIES,
diff --git a/query_classifier/qc_sqlite/qc_sqlite.cc b/query_classifier/qc_sqlite/qc_sqlite.cc
index 3e982e120..40804f179 100644
--- a/query_classifier/qc_sqlite/qc_sqlite.cc
+++ b/query_classifier/qc_sqlite/qc_sqlite.cc
@@ -5037,7 +5037,7 @@ MXS_MODULE* MXS_CREATE_MODULE()
     {
         MXS_MODULE_API_QUERY_CLASSIFIER,
         MXS_MODULE_BETA_RELEASE,
-        QUERY_CLASSIFIER_VERSION,
+        MXS_QUERY_CLASSIFIER_VERSION,
         "Query classifier using sqlite.",
         "V1.0.0",
         MXS_NO_MODULE_CAPABILITIES,
diff --git a/server/core/load_utils.cc b/server/core/load_utils.cc
index 8e851bde1..d21522e0c 100644
--- a/server/core/load_utils.cc
+++ b/server/core/load_utils.cc
@@ -32,6 +32,12 @@
 #include <maxscale/alloc.h>
 #include <maxscale/json_api.h>
 #include <maxscale/modulecmd.h>
+#include <maxscale/protocol.h>
+#include <maxscale/router.h>
+#include <maxscale/filter.h>
+#include <maxscale/authenticator.h>
+#include <maxscale/monitor.h>
+#include <maxscale/query_classifier.h>
 
 #include "internal/modules.h"
 #include "internal/config.h"
@@ -78,6 +84,56 @@ static LOADED_MODULE* register_module(const char *module,
                                       MXS_MODULE *mod_info);
 static void unregister_module(const char *module);
 
+static bool api_version_mismatch(const MXS_MODULE *mod_info, const char* module)
+{
+    bool rval = false;
+    MXS_MODULE_VERSION api = {};
+
+    switch (mod_info->modapi)
+    {
+        case MXS_MODULE_API_PROTOCOL:
+            api = MXS_PROTOCOL_VERSION;
+            break;
+
+        case MXS_MODULE_API_AUTHENTICATOR:
+            api = MXS_AUTHENTICATOR_VERSION;
+            break;
+
+        case MXS_MODULE_API_ROUTER:
+            api = MXS_ROUTER_VERSION;
+            break;
+
+        case MXS_MODULE_API_MONITOR:
+            api = MXS_MONITOR_VERSION;
+            break;
+
+        case MXS_MODULE_API_FILTER:
+            api = MXS_FILTER_VERSION;
+            break;
+
+        case MXS_MODULE_API_QUERY_CLASSIFIER:
+            api = MXS_QUERY_CLASSIFIER_VERSION;
+            break;
+
+        default:
+            MXS_ERROR("Unknown module type: 0x%02hhx", mod_info->modapi);
+            ss_dassert(!true);
+            break;
+    }
+
+    if (api.major != mod_info->api_version.major ||
+        api.minor != mod_info->api_version.minor ||
+        api.patch != mod_info->api_version.patch)
+    {
+        MXS_ERROR("API version mismatch for '%s': Need version %d.%d.%d, have %d.%d.%d",
+                  module, api.major, api.minor, api.patch, mod_info->api_version.major,
+                  mod_info->api_version.minor, mod_info->api_version.patch);
+        rval = true;
+    }
+
+    return rval;
+}
+
 static bool check_module(const MXS_MODULE *mod_info, const char *type, const char *module)
 {
     bool success = true;
@@ -118,6 +174,12 @@ static bool check_module(const MXS_MODULE *mod_info, const char *type, const cha
         MXS_ERROR("Module '%s' does not implement the query classifier API.", module);
         success = false;
     }
+
+    if (api_version_mismatch(mod_info, module))
+    {
+        success = false;
+    }
+
     if (mod_info->version == NULL)
     {
         MXS_ERROR("Module '%s' does not define a version string", module);