diff --git a/CHANGELOG.md b/CHANGELOG.md
index 184e826b..ed5c83d3 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,11 +1,13 @@
 # Changelog
 All notable changes to this project will be documented in this file.
 
-## ??? - Unreleased
+## 1.11.1 - 2020-07-25
 - Fix jpm and git with multiple git installs on Windows
 - Fix importing a .so file in the current directory
 - Allow passing byte sequence types directly to typed-array constructors.
 - Fix bug sending files between threads.
+- Disable PRF by default.
+- Update the soname.
 
 ## 1.11.0 - 2020-07-18
 - Add `forever` macro.
diff --git a/Makefile b/Makefile
index 8fb212ba..496818fb 100644
--- a/Makefile
+++ b/Makefile
@@ -318,7 +318,6 @@ test-install:
 	cd test/install && jpm --verbose --test --modpath=./modpath install https://github.com/janet-lang/jhydro.git
 	cd test/install && jpm --verbose --test --modpath=./modpath install https://github.com/janet-lang/path.git
 	cd test/install && jpm --verbose --test --modpath=./modpath install https://github.com/janet-lang/argparse.git
-	cd test/install && jpm --verbose --modpath=./modpath install https://github.com/bakpakin/x43bot.git
 
 help:
 	@echo
diff --git a/meson.build b/meson.build
index 9bc2bfe9..95ad504b 100644
--- a/meson.build
+++ b/meson.build
@@ -64,7 +64,7 @@ conf.set('JANET_NO_EV', not get_option('ev'))
 conf.set('JANET_REDUCED_OS', get_option('reduced_os'))
 conf.set('JANET_NO_TYPED_ARRAY', not get_option('typed_array'))
 conf.set('JANET_NO_INT_TYPES', not get_option('int_types'))
-conf.set('JANET_NO_PRF', not get_option('prf'))
+conf.set('JANET_PRF', get_option('prf'))
 conf.set('JANET_RECURSION_GUARD', get_option('recursion_guard'))
 conf.set('JANET_MAX_PROTO_DEPTH', get_option('max_proto_depth'))
 conf.set('JANET_MAX_MACRO_EXPAND', get_option('max_macro_expand'))
diff --git a/meson_options.txt b/meson_options.txt
index 6a6503cb..17bf888d 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -10,7 +10,7 @@ option('assembler', type : 'boolean', value : true)
 option('peg', type : 'boolean', value : true)
 option('typed_array', type : 'boolean', value : true)
 option('int_types', type : 'boolean', value : true)
-option('prf', type : 'boolean', value : true)
+option('prf', type : 'boolean', value : false)
 option('net', type : 'boolean', value : true)
 option('ev', type : 'boolean', value : true)
 option('processes', type : 'boolean', value : true)
diff --git a/src/conf/janetconf.h b/src/conf/janetconf.h
index b96ec231..247e6377 100644
--- a/src/conf/janetconf.h
+++ b/src/conf/janetconf.h
@@ -29,8 +29,8 @@
 #define JANET_VERSION_MAJOR 1
 #define JANET_VERSION_MINOR 11
 #define JANET_VERSION_PATCH 1
-#define JANET_VERSION_EXTRA "-dev"
-#define JANET_VERSION "1.11.1-dev"
+#define JANET_VERSION_EXTRA ""
+#define JANET_VERSION "1.11.1"
 
 /* #define JANET_BUILD "local" */
 
@@ -58,7 +58,7 @@
 /* #define JANET_NO_UMASK */
 
 /* Other settings */
-/* #define JANET_NO_PRF */
+/* #define JANET_PRF */
 /* #define JANET_NO_UTC_MKTIME */
 /* #define JANET_OUT_OF_MEMORY do { printf("janet out of memory\n"); exit(1); } while (0) */
 /* #define JANET_EXIT(msg) do { printf("C assert failed executing janet: %s\n", msg); exit(1); } while (0) */
diff --git a/src/core/util.c b/src/core/util.c
index d4af5667..31855c8f 100644
--- a/src/core/util.c
+++ b/src/core/util.c
@@ -97,7 +97,7 @@ const char *const janet_status_names[16] = {
     "alive"
 };
 
-#ifdef JANET_NO_PRF
+#ifndef JANET_PRF
 
 int32_t janet_string_calchash(const uint8_t *str, int32_t len) {
     const uint8_t *end = str + len;
diff --git a/src/include/janet.h b/src/include/janet.h
index f7375b48..a1a5d05c 100644
--- a/src/include/janet.h
+++ b/src/include/janet.h
@@ -1468,7 +1468,7 @@ JANET_API int janet_verify(JanetFuncDef *def);
 JANET_API JanetBuffer *janet_pretty(JanetBuffer *buffer, int depth, int flags, Janet x);
 
 /* Misc */
-#ifndef JANET_NO_PRF
+#ifdef JANET_PRF
 #define JANET_HASH_KEY_SIZE 16
 JANET_API void janet_init_hash_key(uint8_t key[JANET_HASH_KEY_SIZE]);
 #endif
diff --git a/test/suite4.janet b/test/suite4.janet
index 3b20de96..208f7cc4 100644
--- a/test/suite4.janet
+++ b/test/suite4.janet
@@ -48,7 +48,9 @@
 (defn check-image
   "Run a marshaling test using the make-image and load-image functions."
   [x msg]
-  (assert-no-error msg (load-image (make-image x))))
+  (def im (make-image x))
+  # (printf "\nimage-hash: %d" (-> im string hash))
+  (assert-no-error msg (load-image im)))
 
 (check-image (fn [] (fn [] 1)) "marshal nested functions")
 (check-image (fiber/new (fn [] (fn [] 1))) "marshal nested functions in fiber")