diff --git a/Makefile.coq.local b/Makefile.coq.local
index 7e0566de3807f4b7071e529323dd35075d91da19..ebe43273fa9adf7832fb8b15b47da49defd6bd30 100644
--- a/Makefile.coq.local
+++ b/Makefile.coq.local
@@ -8,7 +8,7 @@ test: $(TESTFILES:.v=.vo)
 .PHONY: test
 
 COQ_TEST=$(COQTOP) $(COQDEBUG) -batch -test-mode
-COQ_BROKEN=$(shell echo "$(COQ_VERSION)" | egrep "^8\.9" > /dev/null && echo 1)
+COQ_BROKEN=$(shell echo "$(COQ_VERSION)" | egrep "^8\.9\b" > /dev/null && echo 1)
 
 # Can't use pipes because that discards error codes and dash provides no way to control that.
 # Also egrep errors if it doesn't match anything, we have to ignore that.
@@ -24,14 +24,14 @@ $(TESTFILES:.v=.vo): %.vo: %.v $(if $(MAKE_REF),,%.ref)
 	$(SHOW)$(if $(MAKE_REF),COQTEST [ref],$(if $(COQ_BROKEN),COQTEST [ignored],COQTEST)) $<
 	$(HIDE)TEST="$$(basename -s .v $<)" && \
 	  TMPFILE="$$(mktemp)" && \
-	  $(TIMER) $(COQ_TEST) $(TIMING_ARG) $(COQFLAGS) $(COQLIBS) -load-vernac-source $< $(TIMING_EXTRA) > "$$TMPFILE" && \
+	  $(TIMER) $(COQ_TEST) $(COQFLAGS) $(COQLIBS) -load-vernac-source $< > "$$TMPFILE" && \
 	  ($(REF_FILTER) < "$$TMPFILE" > "$$TMPFILE.filtered" || true) && \
 	  $(if $(MAKE_REF), \
 	    mv "$$TMPFILE.filtered" "tests/$$TEST.ref", \
 	    $(if $(COQ_BROKEN), \
 	      true, \
 	      diff -u "tests/$$TEST.ref" "$$TMPFILE.filtered" \
-            ) \
-          ) && \
+	    ) \
+	  ) && \
 	  rm -f "$$TMPFILE" "$$TMPFILE.filtered" && \
 	  touch $@
diff --git a/opam b/opam
index 5799c2c0d4dc7331d26152270723be9ff0ed8536..ff60fd42e6f81cb57024e9ea4665cf6875244f99 100644
--- a/opam
+++ b/opam
@@ -11,5 +11,5 @@ install: [make "install"]
 remove: ["rm" "-rf" "%{lib}%/coq/user-contrib/iris"]
 depends: [
   "coq" { (>= "8.7.1" & < "8.9~") | (= "dev") }
-  "coq-stdpp" { (= "dev.2018-06-30.1.1a21e908") | (= "dev") }
+  "coq-stdpp" { (= "dev.2018-07-23.1.4fb641ed") | (= "dev") }
 ]