diff --git a/.dockerignore b/.dockerignore
index f16335c889..b91a3aeb9a 100644
--- a/.dockerignore
+++ b/.dockerignore
@@ -1,2 +1,4 @@
 /dist
+/ooniprobe
+/ooniprobe.exe
 /testdata/gotmp
diff --git a/Dockerfile b/Dockerfile
index 4e4b5d7822..c6add3d02b 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,2 +1,2 @@
-FROM openobservatory/mk-alpine:latest
+FROM openobservatory/mk-alpine:20200226
 RUN apk add --no-progress git go
diff --git a/build.sh b/build.sh
index 4a6310f5d8..76c9a9e0c0 100755
--- a/build.sh
+++ b/build.sh
@@ -22,7 +22,7 @@ fi
 if [ "$1" = "windows" ]; then
   set -x
   CC=x86_64-w64-mingw32-gcc CXX=x86_64-w64-mingw32-g++                         \
-    CGO_ENABLED=1 GOOS=windows GOARCH=amd64                                    \
+    CGO_LDFLAGS_ALLOW='-fstack-.*' CGO_ENABLED=1 GOOS=windows GOARCH=amd64     \
       go build $buildtags -ldflags="$ldflags"                                  \
         -o dist/windows/amd64/ooniprobe.exe -v ./cmd/ooniprobe
 
@@ -48,7 +48,7 @@ elif [ "$1" = "release" ]; then
     -C ./dist/macos/amd64 ooniprobe
   shasum -a 256 ooniprobe_${v}_darwin_amd64.tar.gz >> ooniprobe_checksums.txt
   $0 windows
-  tar -czf ooniprobe_${v}_windows_amd64.tar.gz ./dist/windows/amd64            \
+  tar -czf ooniprobe_${v}_windows_amd64.tar.gz LICENSE.md Readme.md            \
     -C dist/windows/amd64 ooniprobe.exe
   shasum -a 256 ooniprobe_${v}_windows_amd64.tar.gz >> ooniprobe_checksums.txt
   echo ""
diff --git a/go.mod b/go.mod
index a879580a49..3bdbf6364c 100644
--- a/go.mod
+++ b/go.mod
@@ -9,10 +9,10 @@ require (
 	github.com/fatih/color v1.9.0
 	github.com/getsentry/raven-go v0.0.0-20190419175539-919484f041ea
 	github.com/mattn/go-colorable v0.1.4
-	github.com/ooni/probe-engine v0.7.0
+	github.com/ooni/probe-engine v0.7.1-0.20200226205256-ae59c0578995
 	github.com/pkg/errors v0.9.1
 	github.com/rubenv/sql-migrate v0.0.0-20200212082348-64f95ea68aa3
 	gopkg.in/AlecAivazis/survey.v1 v1.8.8
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
-	upper.io/db.v3 v3.6.3+incompatible
+	upper.io/db.v3 v3.6.4+incompatible
 )
diff --git a/go.sum b/go.sum
index 4c145a7c5c..a5b518fb25 100644
--- a/go.sum
+++ b/go.sum
@@ -327,8 +327,8 @@ github.com/onsi/gomega v1.7.0 h1:XPnZz8VVBHjVsy1vzJmRwIcSwiUO+JFfrv/xGiigmME=
 github.com/onsi/gomega v1.7.0/go.mod h1:ex+gbHU/CVuBBDIJjb2X0qEXbFg53c61hWP/1CpauHY=
 github.com/ooni/netx v0.0.0-20200211124352-4f8d645bce64 h1:rLXhIycJB+yGJPMRY1tP4KzYqd/EvhrP8x7CjbeKmJc=
 github.com/ooni/netx v0.0.0-20200211124352-4f8d645bce64/go.mod h1:vTJ7nYH2j51lX8yvhdLaHscvwz1GvWoiB26jYKEmqyA=
-github.com/ooni/probe-engine v0.7.0 h1:itumj5yq69Me07NdVVrk5y9PbNv3LfYJm0G8z489ByM=
-github.com/ooni/probe-engine v0.7.0/go.mod h1:CIO14bnj3sIRI3MG+7HYQo2EgLSVpHh5/E2YVNjXRhA=
+github.com/ooni/probe-engine v0.7.1-0.20200226205256-ae59c0578995 h1:8CuuBzP7V4tjJ8nRTI5WkvkKzITSnSHom7MVxBZDnTA=
+github.com/ooni/probe-engine v0.7.1-0.20200226205256-ae59c0578995/go.mod h1:CIO14bnj3sIRI3MG+7HYQo2EgLSVpHh5/E2YVNjXRhA=
 github.com/openconfig/gnmi v0.0.0-20190823184014-89b2bf29312c/go.mod h1:t+O9It+LKzfOAhKTT5O0ehDix+MTqbtT0T9t+7zzOvc=
 github.com/openconfig/reference v0.0.0-20190727015836-8dfd928c9696/go.mod h1:ym2A+zigScwkSEb/cVQB0/ZMpU3rqiH6X7WRRsxgOGw=
 github.com/oschwald/geoip2-golang v1.4.0 h1:5RlrjCgRyIGDz/mBmPfnAF4h8k0IAcRv9PvrpOfz+Ug=
@@ -655,5 +655,5 @@ honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWh
 honnef.co/go/tools v0.0.0-20190523083050-ea95bdfd59fc/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
-upper.io/db.v3 v3.6.3+incompatible h1:SJLWd7H56Vwm4rYa+cHAQDYWcvvOt1C/5PD/IIBZPW8=
-upper.io/db.v3 v3.6.3+incompatible/go.mod h1:FgTdD24eBjJAbPKsQSiHUNgXjOR4Lub3u1UMHSIh82Y=
+upper.io/db.v3 v3.6.4+incompatible h1:ZWpoGpfyvRDxMW1lYLBwwSurzodIvAUP4aYBsH/ePiY=
+upper.io/db.v3 v3.6.4+incompatible/go.mod h1:FgTdD24eBjJAbPKsQSiHUNgXjOR4Lub3u1UMHSIh82Y=