diff --git a/CMakeLists.txt b/CMakeLists.txt
index 6dbaea5fa..c5ee1a1af 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -13,7 +13,7 @@ find_package(ignition-cmake3 REQUIRED)
 #============================================================================
 # Configure the project
 #============================================================================
-ign_configure_project(
+gz_configure_project(
   REPLACE_IGNITION_INCLUDE_PATH gz/gui
   VERSION_SUFFIX pre1)
 
@@ -30,48 +30,48 @@ message(STATUS "\n\n-- ====== Finding Dependencies ======")
 #--------------------------------------
 # Find Protobuf
 set(REQ_PROTOBUF_VER 3)
-ign_find_package(IgnProtobuf
+gz_find_package(IgnProtobuf
                  VERSION ${REQ_PROTOBUF_VER}
                  REQUIRED
                  PRETTY Protobuf)
 
 #--------------------------------------
 # Find Tinyxml2
-ign_find_package(TINYXML2 REQUIRED PRIVATE PRETTY tinyxml2)
+gz_find_package(TINYXML2 REQUIRED PRIVATE PRETTY tinyxml2)
 
 #--------------------------------------
 # Find ignition-utils
-ign_find_package(ignition-utils2 REQUIRED)
+gz_find_package(ignition-utils2 REQUIRED)
 set(IGN_UTILS_VER ${ignition-utils2_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-math
-ign_find_package(ignition-math7 REQUIRED)
+gz_find_package(ignition-math7 REQUIRED)
 set(IGN_MATH_VER ${ignition-math7_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-common
-ign_find_package(ignition-common5 REQUIRED COMPONENTS profiler)
+gz_find_package(ignition-common5 REQUIRED COMPONENTS profiler)
 set(IGN_COMMON_VER ${ignition-common5_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-plugin
-ign_find_package(ignition-plugin2 REQUIRED COMPONENTS loader register)
+gz_find_package(ignition-plugin2 REQUIRED COMPONENTS loader register)
 set(IGN_PLUGIN_VER ${ignition-plugin2_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-transport
-ign_find_package(ignition-transport12 REQUIRED)
+gz_find_package(ignition-transport12 REQUIRED)
 set(IGN_TRANSPORT_VER ${ignition-transport12_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-rendering
-ign_find_package(ignition-rendering7 REQUIRED)
+gz_find_package(ignition-rendering7 REQUIRED)
 set(IGN_RENDERING_VER ${ignition-rendering7_VERSION_MAJOR})
 
 #--------------------------------------
 # Find ignition-msgs
-ign_find_package(ignition-msgs9 REQUIRED)
+gz_find_package(ignition-msgs9 REQUIRED)
 set(IGN_MSGS_VER ${ignition-msgs9_VERSION_MAJOR})
 
 #--------------------------------------
@@ -80,7 +80,7 @@ find_program(HAVE_IGN_TOOLS ign)
 
 #--------------------------------------
 # Find QT
-ign_find_package (Qt5
+gz_find_package (Qt5
   COMPONENTS
     Core
     Quick
@@ -97,7 +97,7 @@ set(GZ_GUI_PLUGIN_INSTALL_DIR
 #============================================================================
 # Configure the build
 #============================================================================
-ign_configure_build(QUIT_IF_BUILD_ERRORS)
+gz_configure_build(QUIT_IF_BUILD_ERRORS)
 
 #============================================================================
 # ign command line support
@@ -107,12 +107,12 @@ add_subdirectory(conf)
 #============================================================================
 # Create package information
 #============================================================================
-ign_create_packages()
+gz_create_packages()
 
 configure_file(${CMAKE_SOURCE_DIR}/api.md.in ${CMAKE_BINARY_DIR}/api.md)
 configure_file(${CMAKE_SOURCE_DIR}/tutorials.md.in ${CMAKE_BINARY_DIR}/tutorials.md)
 
-ign_create_docs(
+gz_create_docs(
   API_MAINPAGE_MD "${CMAKE_BINARY_DIR}/api.md"
   TUTORIALS_MAINPAGE_MD "${CMAKE_BINARY_DIR}/tutorials.md"
   ADDITIONAL_INPUT_DIRS "${CMAKE_SOURCE_DIR}/src/plugins"
diff --git a/conf/CMakeLists.txt b/conf/CMakeLists.txt
index 6c32a6a7c..4d4e9d6db 100644
--- a/conf/CMakeLists.txt
+++ b/conf/CMakeLists.txt
@@ -1,4 +1,4 @@
-set(ign_library_path "${CMAKE_BINARY_DIR}/src/cmd/cmdgui${PROJECT_VERSION_MAJOR}")
+set(gz_library_path "${CMAKE_BINARY_DIR}/src/cmd/cmdgui${PROJECT_VERSION_MAJOR}")
 
 # Generate a configuration file for internal testing.
 # Note that the major version of the library is included in the name.
@@ -7,7 +7,7 @@ configure_file(
   "gui.yaml.in"
     "${CMAKE_BINARY_DIR}/test/conf/gui${PROJECT_VERSION_MAJOR}.yaml" @ONLY)
 
-set(ign_library_path "${CMAKE_INSTALL_PREFIX}/lib/ruby/ignition/cmdgui${PROJECT_VERSION_MAJOR}")
+set(gz_library_path "${CMAKE_INSTALL_PREFIX}/lib/ruby/ignition/cmdgui${PROJECT_VERSION_MAJOR}")
 
 # Generate a configuration file.
 # Note that the major version of the library is included in the name.
diff --git a/conf/gui.yaml.in b/conf/gui.yaml.in
index 7b9ed14fd..e10848bc7 100644
--- a/conf/gui.yaml.in
+++ b/conf/gui.yaml.in
@@ -2,7 +2,7 @@
 format: 1.0.0
 library_name: @PROJECT_NAME_NO_VERSION@
 library_version: @PROJECT_VERSION_FULL@
-library_path: @ign_library_path@
+library_path: @gz_library_path@
 commands:
     - gui   : Launch graphical interfaces.
 ---
diff --git a/include/gz/gui/CMakeLists.txt b/include/gz/gui/CMakeLists.txt
index e2e08be35..646772d1b 100644
--- a/include/gz/gui/CMakeLists.txt
+++ b/include/gz/gui/CMakeLists.txt
@@ -45,7 +45,7 @@ set (resources resources.qrc)
 QT5_WRAP_CPP(headers_MOC ${qt_headers})
 QT5_ADD_RESOURCES(resources_RCC ${resources})
 
-ign_create_core_library(SOURCES
+gz_create_core_library(SOURCES
   ${sources}
   ${headers_MOC}
   ${resources_RCC}
@@ -67,5 +67,5 @@ target_link_libraries(${PROJECT_LIBRARY_TARGET_NAME}
     TINYXML2::TINYXML2
 )
 
-ign_install_all_headers()
+gz_install_all_headers()
 
diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5f69d3ddf..b1e04323a 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -43,7 +43,7 @@ if (NOT HAVE_IGN_TOOLS OR APPLE)
   list(REMOVE_ITEM gtest_sources ign_TEST.cc)
 endif()
 
-ign_build_tests(TYPE UNIT
+gz_build_tests(TYPE UNIT
                 SOURCES
                   ${gtest_sources}
                 LIB_DEPS
diff --git a/src/plugins/CMakeLists.txt b/src/plugins/CMakeLists.txt
index 486abef17..a461ec63d 100644
--- a/src/plugins/CMakeLists.txt
+++ b/src/plugins/CMakeLists.txt
@@ -80,7 +80,7 @@ function(gz_gui_add_plugin plugin_name)
   )
 
   if(gz_gui_add_plugin_TEST_SOURCES)
-    ign_build_tests(TYPE UNIT
+    gz_build_tests(TYPE UNIT
       SOURCES
         ${gz_gui_add_plugin_TEST_SOURCES}
       LIB_DEPS
diff --git a/test/integration/CMakeLists.txt b/test/integration/CMakeLists.txt
index aeb5c8f1f..201a28a4d 100644
--- a/test/integration/CMakeLists.txt
+++ b/test/integration/CMakeLists.txt
@@ -1,8 +1,8 @@
-ign_get_sources(tests)
+gz_get_sources(tests)
 
 find_package(Qt5Test REQUIRED)
 
-ign_build_tests(
+gz_build_tests(
   TYPE INTEGRATION
   SOURCES ${tests}
   LIB_DEPS
diff --git a/test/performance/CMakeLists.txt b/test/performance/CMakeLists.txt
index 831cc6e79..0a11145ce 100644
--- a/test/performance/CMakeLists.txt
+++ b/test/performance/CMakeLists.txt
@@ -1,3 +1,3 @@
-ign_get_sources(tests)
+gz_get_sources(tests)
 
-ign_build_tests(TYPE PERFORMANCE SOURCES ${tests})
+gz_build_tests(TYPE PERFORMANCE SOURCES ${tests})
diff --git a/test/regression/CMakeLists.txt b/test/regression/CMakeLists.txt
index 75e02232f..762a05202 100644
--- a/test/regression/CMakeLists.txt
+++ b/test/regression/CMakeLists.txt
@@ -1,3 +1,3 @@
-ign_get_sources(tests)
+gz_get_sources(tests)
 
-ign_build_tests(TYPE REGRESSION SOURCES ${tests})
+gz_build_tests(TYPE REGRESSION SOURCES ${tests})