diff --git a/.gitmodules b/.gitmodules
index ae14e02ecc165..95d4bccf7cd16 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -7,6 +7,6 @@
 [submodule "deps/openspecfun"]
 	path = deps/openspecfun
 	url = git://github.com/JuliaLang/openspecfun.git
-[submodule "deps/libmojibake"]
-	path = deps/libmojibake
-	url = git://github.com/JuliaLang/libmojibake.git
+[submodule "deps/utf8proc"]
+	path = deps/utf8proc
+	url = git://github.com/JuliaLang/utf8proc.git
diff --git a/Make.inc b/Make.inc
index ccf6cbd9cceac..99c3758cd54d0 100644
--- a/Make.inc
+++ b/Make.inc
@@ -35,7 +35,7 @@ USE_SYSTEM_SUITESPARSE=0
 USE_SYSTEM_RMATH=0
 USE_SYSTEM_LIBUV=0
 USE_SYSTEM_UTF8PROC=0
-USE_SYSTEM_MOJIBAKE=0
+USE_SYSTEM_UTF8PROC=0
 USE_SYSTEM_LIBGIT2=0
 
 # Link to the LLVM shared library
@@ -594,14 +594,10 @@ else
   LIBUV_INC = $(JULIAHOME)/deps/libuv/include
 endif
 
-ifeq ($(USE_SYSTEM_MOJIBAKE), 1)
-  LIBMOJIBAKE = -lmojibake
+ifeq ($(USE_SYSTEM_UTF8PROC), 1)
+  LIBUTF8PROC = -lutf8proc
 else
-  ifeq ($(USE_SYSTEM_UTF8PROC), 1)
-    LIBMOJIBAKE = -lutf8proc
-  else
-    LIBMOJIBAKE = $(build_libdir)/libmojibake.a
-  endif
+  LIBUTF8PROC = $(build_libdir)/libutf8proc.a
 endif
 
 # OS specific stuff
diff --git a/deps/Makefile b/deps/Makefile
index a48e8b28385dd..9c762d1ce8623 100644
--- a/deps/Makefile
+++ b/deps/Makefile
@@ -11,10 +11,10 @@ include $(JULIAHOME)/Make.inc
 # if you are adding a new target, it can help to copy an similar, existing target
 #
 # autoconf configure-driven scripts: llvm pcre arpack fftw unwind gmp mpfr patchelf uv
-# custom Makefile rules: openlibm Rmath-julia dsfmt suitesparse-wrapper suitesparse lapack openblas mojibake objconv
+# custom Makefile rules: openlibm Rmath-julia dsfmt suitesparse-wrapper suitesparse lapack openblas utf8proc objconv
 # CMake libs: libgit2
 #
-# downloaded from git: llvm-svn, uv, libopenlibm, mojibake, openspecfun
+# downloaded from git: llvm-svn, uv, libopenlibm, utf8proc, openspecfun
 #
 # there are rules in this file with the . replaced by a %
 # this is some magic Makefile trick that tells make
@@ -150,8 +150,8 @@ ifeq ($(USE_SYSTEM_SUITESPARSE), 0)
 STAGE2_DEPS += suitesparse
 endif
 
-ifeq ($(USE_SYSTEM_MOJIBAKE), 0)
-STAGE2_DEPS += mojibake
+ifeq ($(USE_SYSTEM_UTF8PROC), 0)
+STAGE2_DEPS += utf8proc
 endif
 
 # Only compile standalone LAPACK if we are not using OpenBLAS.
@@ -183,7 +183,7 @@ install: $(addprefix install-, $(DEP_LIBS))
 cleanall: $(addprefix clean-, $(DEP_LIBS))
 distcleanall: $(addprefix distclean-, $(DEP_LIBS))
 	rm -rf $(build_prefix)
-getall: get-llvm get-uv get-pcre get-openlibm get-openspecfun get-dsfmt get-Rmath-julia get-openblas get-lapack get-fftw get-suitesparse get-arpack get-unwind get-osxunwind get-gmp get-mpfr get-patchelf get-mojibake get-virtualenv get-objconv get-libgit2
+getall: get-llvm get-uv get-pcre get-openlibm get-openspecfun get-dsfmt get-Rmath-julia get-openblas get-lapack get-fftw get-suitesparse get-arpack get-unwind get-osxunwind get-gmp get-mpfr get-patchelf get-utf8proc get-virtualenv get-objconv get-libgit2
 
 ## PATHS ##
 # sort is used to remove potential duplicates
@@ -1344,47 +1344,47 @@ compile-fftw-double: $(FFTW_DOUBLE_OBJ_TARGET)
 check-fftw-double: fftw-$(FFTW_VER)-double/checked
 install-fftw-double: $(FFTW_DOUBLE_OBJ_TARGET)
 
-## MOJIBAKE ##
+## UTF8PROC ##
 
-MOJIBAKE_SRC_TARGET = libmojibake/libmojibake.a
-MOJIBAKE_OBJ_LIB    = $(build_libdir)/libmojibake.a
-MOJIBAKE_OBJ_HEADER = $(build_includedir)/mojibake.h
-MOJIBAKE_OBJ_TARGET = $(MOJIBAKE_OBJ_LIB) $(MOJIBAKE_OBJ_HEADER)
+UTF8PROC_SRC_TARGET = utf8proc/libutf8proc.a
+UTF8PROC_OBJ_LIB    = $(build_libdir)/libutf8proc.a
+UTF8PROC_OBJ_HEADER = $(build_includedir)/utf8proc.h
+UTF8PROC_OBJ_TARGET = $(UTF8PROC_OBJ_LIB) $(UTF8PROC_OBJ_HEADER)
 
 
-libmojibake/Makefile:
+utf8proc/Makefile:
 	(cd .. && git submodule init && git submodule update)
-ifeq (exists, $(shell [ -d libmojibake/.git ] && echo exists ))
-$(MOJIBAKE_SRC_TARGET): libmojibake/.git/HEAD
+ifeq (exists, $(shell [ -d utf8proc/.git ] && echo exists ))
+$(UTF8PROC_SRC_TARGET): utf8proc/.git/HEAD
 endif
-ifeq (exists, $(shell [ -d $(JULIAHOME)/.git/modules/deps/libmojibake ] && echo exists ))
-$(MOJIBAKE_SRC_TARGET): $(JULIAHOME)/.git/modules/deps/libmojibake/HEAD
+ifeq (exists, $(shell [ -d $(JULIAHOME)/.git/modules/deps/utf8proc ] && echo exists ))
+$(UTF8PROC_SRC_TARGET): $(JULIAHOME)/.git/modules/deps/utf8proc/HEAD
 endif
-$(MOJIBAKE_SRC_TARGET): libmojibake/Makefile
-	$(MAKE) -C libmojibake cc="$(CC) -O2 -std=c99 $(fPIC) -DMOJIBAKE_EXPORTS" AR="$(AR)" libmojibake.a
+$(UTF8PROC_SRC_TARGET): utf8proc/Makefile
+	$(MAKE) -C utf8proc cc="$(CC) -O2 -std=c99 $(fPIC) -DUTF8PROC_EXPORTS" AR="$(AR)" libutf8proc.a
 	touch -c $@
-libmojibake/checked: $(MOJIBAKE_SRC_TARGET)
+utf8proc/checked: $(UTF8PROC_SRC_TARGET)
 ifeq ($(OS),$(BUILD_OS))
-	-$(MAKE) -C libmojibake check
+	-$(MAKE) -C utf8proc check
 endif
 	echo 1 > $@
 
-$(MOJIBAKE_OBJ_LIB): $(MOJIBAKE_SRC_TARGET)
+$(UTF8PROC_OBJ_LIB): $(UTF8PROC_SRC_TARGET)
 	cp -f $< $@
 
-$(MOJIBAKE_OBJ_HEADER): libmojibake/Makefile
-	cp -f libmojibake/mojibake.h $@
+$(UTF8PROC_OBJ_HEADER): utf8proc/Makefile
+	cp -f utf8proc/utf8proc.h $@
 
-clean-mojibake:
-	-$(MAKE) -C libmojibake clean
-	-rm -rf $(build_libdir)/libmojibake.a $(build_includedir)/mojibake.h
-distclean-mojibake: clean-mojibake
+clean-utf8proc:
+	-$(MAKE) -C utf8proc clean
+	-rm -rf $(build_libdir)/libutf8proc.a $(build_includedir)/utf8proc.h
+distclean-utf8proc: clean-utf8proc
 
-get-mojibake: libmojibake/Makefile
-configure-mojibake: get-mojibake
-compile-mojibake: $(MOJIBAKE_SRC_TARGET)
-check-mojibake: libmojibake/checked
-install-mojibake: $(MOJIBAKE_OBJ_TARGET)
+get-utf8proc: utf8proc/Makefile
+configure-utf8proc: get-utf8proc
+compile-utf8proc: $(UTF8PROC_SRC_TARGET)
+check-utf8proc: utf8proc/checked
+install-utf8proc: $(UTF8PROC_OBJ_TARGET)
 
 ## SUITESPARSE ##
 
diff --git a/deps/libmojibake b/deps/libmojibake
deleted file mode 160000
index 86447ad060d6f..0000000000000
--- a/deps/libmojibake
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 86447ad060d6f4edf01f2a64b9598dfeeb6e6f7d
diff --git a/deps/utf8proc b/deps/utf8proc
new file mode 160000
index 0000000000000..e1fdad0ca9dc5
--- /dev/null
+++ b/deps/utf8proc
@@ -0,0 +1 @@
+Subproject commit e1fdad0ca9dc518b429439b6f4eac546a1bdd0de
diff --git a/src/Makefile b/src/Makefile
index 136374c6e884f..2d7a32bf001fd 100644
--- a/src/Makefile
+++ b/src/Makefile
@@ -30,7 +30,7 @@ ifeq ($(USE_LLVM_SHLIB),1)
 LLVMLINK = $(call exec,$(LLVM_CONFIG) --ldflags) -lLLVM-$(call exec,$(LLVM_CONFIG) --version)
 endif
 
-COMMON_LIBS = -L$(build_shlibdir) -L$(build_libdir) $(LIBUV) $(LIBMOJIBAKE) $(NO_WHOLE_ARCHIVE) $(LLVMLINK) $(OSLIBS)
+COMMON_LIBS = -L$(build_shlibdir) -L$(build_libdir) $(LIBUV) $(LIBUTF8PROC) $(NO_WHOLE_ARCHIVE) $(LLVMLINK) $(OSLIBS)
 DEBUG_LIBS = $(WHOLE_ARCHIVE) $(BUILDDIR)/flisp/libflisp-debug.a $(WHOLE_ARCHIVE) $(BUILDDIR)/support/libsupport-debug.a $(COMMON_LIBS)
 RELEASE_LIBS = $(WHOLE_ARCHIVE) $(BUILDDIR)/flisp/libflisp.a $(WHOLE_ARCHIVE) $(BUILDDIR)/support/libsupport.a $(COMMON_LIBS)
 
diff --git a/src/flisp/Makefile b/src/flisp/Makefile
index 4739af77dab1e..5289cbf765107 100644
--- a/src/flisp/Makefile
+++ b/src/flisp/Makefile
@@ -22,11 +22,11 @@ HEADERS = $(wildcard *.h) $(LIBUV_INC)/uv.h
 OBJS = $(SRCS:%.c=$(BUILDDIR)/%.o)
 DOBJS = $(SRCS:%.c=$(BUILDDIR)/%.dbg.obj)
 LLTDIR = ../support
-LLT = $(BUILDDIR)/$(LLTDIR)/libsupport.a $(LIBUV) $(LIBMOJIBAKE)
+LLT = $(BUILDDIR)/$(LLTDIR)/libsupport.a $(LIBUV) $(LIBUTF8PROC)
 
 FLAGS = -I$(LLTDIR) $(CFLAGS) $(HFILEDIRS:%=-I%) \
         -I$(LIBUV_INC) -I$(build_includedir) $(LIBDIRS:%=-L%) \
-        -DLIBRARY_EXPORTS -DMOJIBAKE_EXPORTS
+        -DLIBRARY_EXPORTS -DUTF8PROC_EXPORTS
 ifneq ($(USEMSVC), 1)
 FLAGS += -Wall -Wno-strict-aliasing -DUSE_COMPUTED_GOTO -fvisibility=hidden
 endif
diff --git a/src/flisp/Windows.mk b/src/flisp/Windows.mk
index 2f62b50a5cbc9..9e9b83db129ec 100644
--- a/src/flisp/Windows.mk
+++ b/src/flisp/Windows.mk
@@ -29,17 +29,17 @@ OBJECTS = \
 	dirname.obj
 
 LIBUV = $(MAKEDIR)\..\..\deps\libuv\libuv.lib
-LIBMOJIBAKE = $(MAKEDIR)\..\..\deps\libmojibake\libmojibake.lib
+LIBUTF8PROC = $(MAKEDIR)\..\..\deps\libutf8proc\libutf8proc.lib
 LIBSUPPORT = $(MAKEDIR)\..\support\libsupport.lib
 
-INCLUDE = $(INCLUDE);$(MAKEDIR)\..\..\deps\libuv\include;$(MAKEDIR)\..\..\deps\libmojibake;$(MAKEDIR)\..\support
+INCLUDE = $(INCLUDE);$(MAKEDIR)\..\..\deps\libuv\include;$(MAKEDIR)\..\..\deps\libutf8proc;$(MAKEDIR)\..\support
 
 CFLAGS = $(CFLAGS) /Qstd=c99 -D_CRT_SECURE_NO_WARNINGS -DLIBRARY_EXPORTS
 LFLAGS = $(LFLAGS) kernel32.lib ws2_32.lib psapi.lib advapi32.lib iphlpapi.lib
 
 default: $(NAME).exe
 
-$(NAME).exe: lib$(NAME).lib flmain.obj $(LIBSUPPORT) $(LIBUV) $(LIBMOJIBAKE)
+$(NAME).exe: lib$(NAME).lib flmain.obj $(LIBSUPPORT) $(LIBUV) $(LIBUTF8PROC)
 	$(LINK) $(LFLAGS) /OUT:$(NAME).exe /PDB:$(NAME).pdb /MAP $**
 
 $(LIBSUPPORT):
@@ -48,8 +48,8 @@ $(LIBSUPPORT):
 $(LIBUV):
 	PUSHD $(MAKEDIR)\..\..\deps\libuv && $(MAKE) /NOLOGO /F Windows.mk  && POPD
 
-$(LIBMOJIBAKE):
-	PUSHD $(MAKEDIR)\..\..\deps\libmojibake && cl -nologo /c utf8proc.c && $(AR) /OUT:libmojibake.lib utf8proc.obj && POPD
+$(LIBUTF8PROC):
+	PUSHD $(MAKEDIR)\..\..\deps\libutf8proc && cl -nologo /c utf8proc.c && $(AR) /OUT:libutf8proc.lib utf8proc.obj && POPD
 
 lib$(NAME).lib: $(OBJECTS)
 	$(AR) /OUT:lib$(NAME).lib $**
diff --git a/src/flisp/julia_extensions.c b/src/flisp/julia_extensions.c
index c5d584f10ce30..d5a9c2cfcfaf7 100644
--- a/src/flisp/julia_extensions.c
+++ b/src/flisp/julia_extensions.c
@@ -3,7 +3,7 @@
 #include <string.h>
 #include <assert.h>
 #include "flisp.h"
-#include "mojibake.h"
+#include "utf8proc.h"
 
 #ifdef __cplusplus
 extern "C" {