diff --git a/opam.lock b/opam.lock
index 767bd7076..b56125442 100644
--- a/opam.lock
+++ b/opam.lock
@@ -2,11 +2,11 @@ ANSITerminal = 0.7
 atd = 1.12.0
 atdgen = 1.12.0
 base = v0.9.3
-bin_prot = v0.9.0
-biniou = 1.0.13
+bin_prot = v0.9.1
+biniou = 1.2.0
 camlp4 = 4.04+1
 camlzip = 1.07
-cmdliner = 1.0.0
+cmdliner = 1.0.2
 conf-aclocal = 1.0.0
 conf-autoconf = 0.1
 conf-m4 = 1
@@ -15,19 +15,20 @@ conf-which = 1
 configurator = v0.9.1
 core = v0.9.1
 core_kernel = v0.9.0
-cppo = 1.5.0
-ctypes = 0.12.0
-easy-format = 1.2.0
-extlib-compat = 1.7.0
+cppo = 1.6.0
+cppo_ocamlbuild = 1.6.0
+ctypes = 0.12.1
+easy-format = 1.3.0
+extlib-compat = 1.7.2
 fieldslib = v0.9.0
 integers = 0.2.2
 jane-street-headers = v0.9.0
 javalib = 2.3.3
-jbuilder = 1.0+beta11
-menhir = 20170101
+jbuilder = 1.0+beta12
+menhir = 20170712
 num = 0
 ocaml-compiler-libs = v0.9.0
-ocaml-migrate-parsetree = 1.0.1
+ocaml-migrate-parsetree = 1.0.3
 ocamlbuild = 0.11.0
 ocamlfind = 1.7.3
 octavius = 1.1.0
@@ -49,7 +50,7 @@ ppx_fail = v0.9.0
 ppx_fields_conv = v0.9.0
 ppx_hash = v0.9.0
 ppx_here = v0.9.1
-ppx_inline_test = v0.9.1
+ppx_inline_test = v0.9.2
 ppx_jane = v0.9.0
 ppx_js_style = v0.9.0
 ppx_let = v0.9.0
@@ -69,11 +70,11 @@ ppx_variants_conv = v0.9.0
 re = 1.7.1
 result = 1.2
 sawja = 1.5.2
-sexplib = v0.9.1
+sexplib = v0.9.2
 spawn = v0.9.0
 stdio = v0.9.0
-topkg = 0.8.1
+topkg = 0.9.0
 typerep = v0.9.0
 variantslib = v0.9.0
-xmlm = 1.2.0
-yojson = 1.3.3
+xmlm = 1.3.0
+yojson = 1.4.0