diff --git a/configure b/configure
index 33c93d8b7..fcc86bd33 100755
--- a/configure
+++ b/configure
@@ -5590,16 +5590,16 @@ $as_echo "yes" >&6; }
                  LIBS="$zlib_LIBS $LIBS"
 fi
 
-# Check if already in >= C++11 mode because of the flags returned by one of the above packages
-{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler is using C++11 or later mode" >&5
-$as_echo_n "checking if compiler is using C++11 or later mode... " >&6; }
+# Check if already in >= C++14 mode because of the flags returned by one of the above packages
+{ $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler is using C++14 or later mode" >&5
+$as_echo_n "checking if compiler is using C++14 or later mode... " >&6; }
 cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201103L
-            #error "This is not a C++11 compiler"
+            #elif __cplusplus < 201402L
+            #error "This is not a C++14 compiler"
             #endif
 int
 main ()
@@ -5613,28 +5613,28 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-                   QBT_CXX11_FOUND="yes"
+                   QBT_CXX14_FOUND="yes"
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-                   QBT_CXX11_FOUND="no"
+                   QBT_CXX14_FOUND="no"
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
-# In case of no, check if the compiler can support at least C++11
+# In case of no, check if the compiler can support at least C++14
 # and if yes, enable it leaving a warning to the user
-if test "x$QBT_CXX11_FOUND" = "xno"; then :
-  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports C++11" >&5
-$as_echo_n "checking if compiler supports C++11... " >&6; }
+if test "x$QBT_CXX14_FOUND" = "xno"; then :
+  { $as_echo "$as_me:${as_lineno-$LINENO}: checking if compiler supports C++14" >&5
+$as_echo_n "checking if compiler supports C++14... " >&6; }
        TMP_CXXFLAGS="$CXXFLAGS"
-       CXXFLAGS="$CXXFLAGS -std=c++11"
+       CXXFLAGS="$CXXFLAGS -std=c++14"
        cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201103L
-            #error "This is not a C++11 compiler"
+            #elif __cplusplus < 201402L
+            #error "This is not a C++14 compiler"
             #endif
 int
 main ()
@@ -5648,17 +5648,17 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C++11 is disabled by the set compiler flags" >&5
-$as_echo_n "checking if C++11 is disabled by the set compiler flags... " >&6; }
+                         { $as_echo "$as_me:${as_lineno-$LINENO}: checking if C++14 is disabled by the set compiler flags" >&5
+$as_echo_n "checking if C++14 is disabled by the set compiler flags... " >&6; }
                          # prepend the flag so it won't override conflicting user defined flags
-                         CXXFLAGS="-std=c++11 $TMP_CXXFLAGS"
+                         CXXFLAGS="-std=c++14 $TMP_CXXFLAGS"
                          cat confdefs.h - <<_ACEOF >conftest.$ac_ext
 /* end confdefs.h.  */
 
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201103L
-            #error "This is not a C++11 compiler"
+            #elif __cplusplus < 201402L
+            #error "This is not a C++14 compiler"
             #endif
 int
 main ()
@@ -5672,25 +5672,25 @@ _ACEOF
 if ac_fn_cxx_try_compile "$LINENO"; then :
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-                                            CXXFLAGS="$TMP_CXXFLAGS -std=c++11"
-                                            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C++11 mode is now force enabled.
+                                            CXXFLAGS="$TMP_CXXFLAGS -std=c++14"
+                                            { $as_echo "$as_me:${as_lineno-$LINENO}: WARNING: C++14 mode is now force enabled.
 Make sure you use the same C++ mode for qBittorrent and its dependencies.
 To explicitly set qBittorrent to a later mode use CXXFLAGS.
 Example: \`CXXFLAGS=\"\$CXXFLAGS -std=c++14\" ./configure\`" >&5
-$as_echo "$as_me: WARNING: C++11 mode is now force enabled.
+$as_echo "$as_me: WARNING: C++14 mode is now force enabled.
 Make sure you use the same C++ mode for qBittorrent and its dependencies.
 To explicitly set qBittorrent to a later mode use CXXFLAGS.
 Example: \`CXXFLAGS=\"\$CXXFLAGS -std=c++14\" ./configure\`" >&2;}
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: yes" >&5
 $as_echo "yes" >&6; }
-                                            as_fn_error $? "The compiler supports C++11 but the user or a dependency has explicitly enabled a lower mode." "$LINENO" 5
+                                            as_fn_error $? "The compiler supports C++14 but the user or a dependency has explicitly enabled a lower mode." "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 else
   { $as_echo "$as_me:${as_lineno-$LINENO}: result: no" >&5
 $as_echo "no" >&6; }
-                         as_fn_error $? "A compiler supporting C++11 is required." "$LINENO" 5
+                         as_fn_error $? "A compiler supporting C++14 is required." "$LINENO" 5
 fi
 rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
 
diff --git a/configure.ac b/configure.ac
index bd64c61b6..305603801 100644
--- a/configure.ac
+++ b/configure.ac
@@ -209,36 +209,36 @@ PKG_CHECK_MODULES(zlib,
                  [CXXFLAGS="$zlib_CFLAGS $CXXFLAGS"
                  LIBS="$zlib_LIBS $LIBS"])
 
-# Check if already in >= C++11 mode because of the flags returned by one of the above packages
-AC_MSG_CHECKING([if compiler is using C++11 or later mode])
-AC_COMPILE_IFELSE([DETECT_CPP11_PROGRAM()],
+# Check if already in >= C++14 mode because of the flags returned by one of the above packages
+AC_MSG_CHECKING([if compiler is using C++14 or later mode])
+AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
                   [AC_MSG_RESULT([yes])
-                   QBT_CXX11_FOUND="yes"],
+                   QBT_CXX14_FOUND="yes"],
                   [AC_MSG_RESULT([no])
-                   QBT_CXX11_FOUND="no"])
+                   QBT_CXX14_FOUND="no"])
 
-# In case of no, check if the compiler can support at least C++11
+# In case of no, check if the compiler can support at least C++14
 # and if yes, enable it leaving a warning to the user
-AS_IF([test "x$QBT_CXX11_FOUND" = "xno"],
-      [AC_MSG_CHECKING([if compiler supports C++11])
+AS_IF([test "x$QBT_CXX14_FOUND" = "xno"],
+      [AC_MSG_CHECKING([if compiler supports C++14])
        TMP_CXXFLAGS="$CXXFLAGS"
-       CXXFLAGS="$CXXFLAGS -std=c++11"
-       AC_COMPILE_IFELSE([DETECT_CPP11_PROGRAM()],
+       CXXFLAGS="$CXXFLAGS -std=c++14"
+       AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
                         [AC_MSG_RESULT([yes])
-                         AC_MSG_CHECKING([if C++11 is disabled by the set compiler flags])
+                         AC_MSG_CHECKING([if C++14 is disabled by the set compiler flags])
                          # prepend the flag so it won't override conflicting user defined flags
-                         CXXFLAGS="-std=c++11 $TMP_CXXFLAGS"
-                         AC_COMPILE_IFELSE([DETECT_CPP11_PROGRAM()],
+                         CXXFLAGS="-std=c++14 $TMP_CXXFLAGS"
+                         AC_COMPILE_IFELSE([DETECT_CPP14_PROGRAM()],
                                            [AC_MSG_RESULT([no])
-                                            CXXFLAGS="$TMP_CXXFLAGS -std=c++11"
-                                            AC_MSG_WARN([C++11 mode is now force enabled.
+                                            CXXFLAGS="$TMP_CXXFLAGS -std=c++14"
+                                            AC_MSG_WARN([C++14 mode is now force enabled.
 Make sure you use the same C++ mode for qBittorrent and its dependencies.
 To explicitly set qBittorrent to a later mode use CXXFLAGS.
 Example: `CXXFLAGS="\$CXXFLAGS -std=c++14" ./configure`])],
                                            [AC_MSG_RESULT([yes])
-                                            AC_MSG_ERROR([The compiler supports C++11 but the user or a dependency has explicitly enabled a lower mode.])])],
+                                            AC_MSG_ERROR([The compiler supports C++14 but the user or a dependency has explicitly enabled a lower mode.])])],
                         [AC_MSG_RESULT([no])
-                         AC_MSG_ERROR([A compiler supporting C++11 is required.])])
+                         AC_MSG_ERROR([A compiler supporting C++14 is required.])])
       ])
 
 # These are required because autoconf doesn't expand these **particular**
diff --git a/m4/qbittorrent.m4 b/m4/qbittorrent.m4
index 0e771d765..7ef4a227a 100644
--- a/m4/qbittorrent.m4
+++ b/m4/qbittorrent.m4
@@ -37,15 +37,15 @@ AC_DEFUN([FIND_QTDBUS],
                          HAVE_QTDBUS=[false]])
 ])
 
-# DETECT_CPP11_PROGRAM()
-# Detects if at least C++11 mode is enabled.
+# DETECT_CPP14_PROGRAM()
+# Detects if at least C++14 mode is enabled.
 # --------------------------------------
-AC_DEFUN([DETECT_CPP11_PROGRAM],
+AC_DEFUN([DETECT_CPP14_PROGRAM],
        [AC_LANG_PROGRAM([[
             #ifndef __cplusplus
             #error "This is not a C++ compiler"
-            #elif __cplusplus < 201103L
-            #error "This is not a C++11 compiler"
+            #elif __cplusplus < 201402L
+            #error "This is not a C++14 compiler"
             #endif]],
             [[]])
 ])