diff --git a/.clang-format b/.clang-format
index fdd2d857fcd7..6b5af452210e 100644
--- a/.clang-format
+++ b/.clang-format
@@ -71,7 +71,7 @@ SpacesInCStyleCastParentheses: 'false'
 SpacesInContainerLiterals: 'false'
 SpacesInParentheses: 'false'
 SpacesInSquareBrackets: 'false'
-Standard: c++11
+Standard: c++17
 TabWidth: '2'
 UseTab: Never
 ---
diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8945f9429c6d..2b239c41e033 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -72,10 +72,9 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR
     set(CMAKE_CXX_FLAGS_RELEASE "-O2")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "-O2 -g")
     #   Enable lots of warnings
-    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wpedantic -Werror -Wno-deprecated-declarations -Wswitch-enum")
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++17 -Wall -Wpedantic -Werror -Wno-deprecated-declarations -Wno-register -Wswitch-enum")
 elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "MSVC")
-    # This would be the place to enable warnings for Windows builds, although
-    # config.inc doesn't seem to do that currently
+    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /std:c++17 /W3 /D_CRT_SECURE_NO_WARNINGS /O2 /GF ")
 
     # Include Git Bash Environment (rqeuired for download_project (patch))
     find_package(Git)
@@ -180,16 +179,12 @@ if("${CMAKE_CXX_COMPILER_ID}" STREQUAL "Clang" OR
 endif()
 
 function(cprover_default_properties)
-    set(CBMC_CXX_STANDARD 11)
-    set(CBMC_CXX_STANDARD_REQUIRED true)
     set(CBMC_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY
             "Developer ID Application: Daniel Kroening")
 
     set_target_properties(
       ${ARGN}
      PROPERTIES
-     CXX_STANDARD ${CBMC_CXX_STANDARD}
-     CXX_STANDARD_REQUIRED ${CBMC_CXX_STANDARD_REQUIRED}
      XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY ${CBMC_XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY})
 endfunction()
 
diff --git a/COMPILING.md b/COMPILING.md
index 3fb133a1be30..eec73be1c953 100644
--- a/COMPILING.md
+++ b/COMPILING.md
@@ -152,7 +152,7 @@ We assume that you have a Debian/Ubuntu or Red Hat-like distribution.
    ```
    dnf install gcc gcc-c++ flex bison curl patch
    ```
-   Note that you need g++ version 5.0 or newer.
+   Note that you need g++ version 7.0 or newer.
 
    On Amazon Linux and similar distributions, do as root:
    ```
diff --git a/scripts/bash-autocomplete/extract_switches.sh b/scripts/bash-autocomplete/extract_switches.sh
index e000b469beac..4f2e79a84faf 100755
--- a/scripts/bash-autocomplete/extract_switches.sh
+++ b/scripts/bash-autocomplete/extract_switches.sh
@@ -1,6 +1,6 @@
 #!/bin/bash
 echo "Compiling the helper file to extract the raw list of parameters from cbmc"
-g++ -c -MMD -MP -std=c++11 -Wall -I ../../src/ -ftrack-macro-expansion=0 -fno-diagnostics-show-caret switch_extractor_helper.c  -o tmp.o 2> pragma.txt
+g++ -c -MMD -MP -std=c++17 -Wall -I ../../src/ -ftrack-macro-expansion=0 -fno-diagnostics-show-caret switch_extractor_helper.c  -o tmp.o 2> pragma.txt
 
 retval=$?
 
diff --git a/scripts/glucose_CMakeLists.txt b/scripts/glucose_CMakeLists.txt
index b2116ce91f4b..2faee91eeb9b 100644
--- a/scripts/glucose_CMakeLists.txt
+++ b/scripts/glucose_CMakeLists.txt
@@ -9,8 +9,6 @@ add_library(glucose-condensed
 set_target_properties(
     glucose-condensed
     PROPERTIES
-    CXX_STANDARD 11
-    CXX_STANDARD_REQUIRED true
     XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "Developer ID Application: Daniel Kroening"
 )
 
diff --git a/scripts/minisat2_CMakeLists.txt b/scripts/minisat2_CMakeLists.txt
index 963bc0a6d1d0..f2b9f580b4b7 100644
--- a/scripts/minisat2_CMakeLists.txt
+++ b/scripts/minisat2_CMakeLists.txt
@@ -9,8 +9,6 @@ add_library(minisat2-condensed
 set_target_properties(
     minisat2-condensed
     PROPERTIES
-    CXX_STANDARD 11
-    CXX_STANDARD_REQUIRED true
     XCODE_ATTRIBUTE_CODE_SIGN_IDENTITY "Developer ID Application: Daniel Kroening"
 )
 
diff --git a/src/common b/src/common
index d6de5219be71..7ddf92fa5e02 100644
--- a/src/common
+++ b/src/common
@@ -34,11 +34,11 @@ endif
   CP_CFLAGS = -MMD -MP
   CXXFLAGS ?= -Wall -O2
 ifeq ($(filter-out OSX OSX_Universal,$(BUILD_ENV_)),)
-  CP_CXXFLAGS += -MMD -MP -mmacosx-version-min=10.15 -std=c++11 -stdlib=libc++
+  CP_CXXFLAGS += -MMD -MP -mmacosx-version-min=10.15 -std=c++17 -stdlib=libc++
   LINKFLAGS += -mmacosx-version-min=10.15 -stdlib=libc++
   LINKNATIVE += -mmacosx-version-min=10.15 -stdlib=libc++
 else
-  CP_CXXFLAGS += -MMD -MP -std=c++11
+  CP_CXXFLAGS += -MMD -MP -std=c++17
 endif
 ifeq ($(filter -O%,$(CXXFLAGS)),)
   CP_CXXFLAGS += -O2
@@ -102,13 +102,13 @@ else ifeq ($(BUILD_ENV_),Cygwin)
   CFLAGS ?= -Wall -O2
   CXXFLAGS ?= -Wall -O2
   CP_CFLAGS = -MMD -MP
-  CP_CXXFLAGS += -MMD -MP -std=c++11 -U__STRICT_ANSI__
+  CP_CXXFLAGS += -MMD -MP -std=c++17 -U__STRICT_ANSI__
   # Cygwin-g++ has problems with statically linking exception code.
   # If linking fails, remove -static.
-  LINKFLAGS = -static -std=c++11
+  LINKFLAGS = -static -std=c++17
   LINKLIB = ar rcT $@ $^
   LINKBIN = $(CXX) $(LINKFLAGS) -o $@ -Wl,--start-group $^ -Wl,--end-group $(LIBS)
-  LINKNATIVE = $(HOSTCXX) -std=c++11 -o $@ $^ -static
+  LINKNATIVE = $(HOSTCXX) -std=c++17 -o $@ $^ -static
 ifeq ($(origin CC),default)
   #CC = gcc
   CC = x86_64-w64-mingw32-gcc
@@ -133,7 +133,7 @@ else ifeq ($(BUILD_ENV_),MSVC)
   DEPEXT = .dep
   EXEEXT = .exe
   CFLAGS ?= /W3 /O2 /GF
-  CXXFLAGS ?= /W3 /D_CRT_SECURE_NO_WARNINGS /O2 /GF
+  CXXFLAGS ?= /W3 /D_CRT_SECURE_NO_WARNINGS /O2 /GF /std:c++17
   CP_CFLAGS =
   CP_CXXFLAGS +=
   LINKLIB = lib /NOLOGO /OUT:$@ $^
diff --git a/src/config.inc b/src/config.inc
index c32196f1c59f..f63d306d2046 100644
--- a/src/config.inc
+++ b/src/config.inc
@@ -5,7 +5,7 @@ BUILD_ENV = AUTO
 ifeq ($(BUILD_ENV),MSVC)
   #CXXFLAGS += /Wall /WX
 else
-  CXXFLAGS += -Wall -pedantic -Werror -Wno-deprecated-declarations -Wswitch-enum
+  CXXFLAGS += -Wall -pedantic -Werror -Wno-deprecated-declarations -Wno-register -Wswitch-enum
 endif
 
 ifeq ($(CPROVER_WITH_PROFILING),1)
diff --git a/src/solvers/CMakeLists.txt b/src/solvers/CMakeLists.txt
index 35228291219c..3bf00199746f 100644
--- a/src/solvers/CMakeLists.txt
+++ b/src/solvers/CMakeLists.txt
@@ -1,6 +1,3 @@
-set(CMAKE_CXX_STANDARD 11)
-set(CMAKE_CXX_STANDARD_REQUIRED true)
-
 #   We may use one of several different solver libraries.
 #   The following files wrap the chosen solver library.
 #   We remove them all from the solver-library sources list, and then add the
@@ -109,7 +106,7 @@ elseif("${sat_impl}" STREQUAL "cadical")
     download_project(PROJ cadical
         URL https://github.com/arminbiere/cadical/archive/rel-1.4.1.tar.gz
         PATCH_COMMAND true
-        COMMAND CXX=${CMAKE_CXX_COMPILER} ./configure -O3 -s CXXFLAGS=-std=c++14
+        COMMAND CXX=${CMAKE_CXX_COMPILER} ./configure -O3 -s CXXFLAGS=-std=c++17
         URL_MD5 b44874501a175106424f4bd5de29aa59
     )
 
@@ -139,7 +136,7 @@ elseif("${sat_impl}" STREQUAL "ipasir-cadical")
     download_project(PROJ cadical
         URL https://github.com/arminbiere/cadical/archive/rel-1.4.1.tar.gz
         PATCH_COMMAND true
-        COMMAND CXX=${CMAKE_CXX_COMPILER} ./configure -O3 -s CXXFLAGS=-std=c++14
+        COMMAND CXX=${CMAKE_CXX_COMPILER} ./configure -O3 -s CXXFLAGS=-std=c++17
         URL_MD5 b44874501a175106424f4bd5de29aa59
     )