diff --git a/BTCPayServer.Tests/Dockerfile b/BTCPayServer.Tests/Dockerfile
index 1bc9348ed..4be53427c 100644
--- a/BTCPayServer.Tests/Dockerfile
+++ b/BTCPayServer.Tests/Dockerfile
@@ -1,12 +1,9 @@
-FROM microsoft/dotnet:2.1.500-sdk-alpine3.7 AS builder
+FROM mcr.microsoft.com/dotnet/core/sdk:2.1.505-alpine3.7 AS builder
 ENV DOTNET_SYSTEM_GLOBALIZATION_INVARIANT false
 RUN apk add --no-cache icu-libs
 ENV LC_ALL en_US.UTF-8
 ENV LANG en_US.UTF-8
 
-# This should be removed soon https://github.com/dotnet/corefx/issues/30003
-RUN apk add --no-cache curl 
-
 WORKDIR /source
 COPY BTCPayServer/BTCPayServer.csproj BTCPayServer/BTCPayServer.csproj
 COPY BTCPayServer.Tests/BTCPayServer.Tests.csproj BTCPayServer.Tests/BTCPayServer.Tests.csproj
diff --git a/BTCPayServer.Tests/docker-compose.yml b/BTCPayServer.Tests/docker-compose.yml
index cff483560..f82b6df8a 100644
--- a/BTCPayServer.Tests/docker-compose.yml
+++ b/BTCPayServer.Tests/docker-compose.yml
@@ -69,7 +69,7 @@ services:
 
 
   nbxplorer:
-    image: nicolasdorier/nbxplorer:2.0.0.15
+    image: nicolasdorier/nbxplorer:2.0.0.20
     restart: unless-stopped
     ports:
       - "32838:32838"