diff --git a/Dockerfile b/Dockerfile
index 0b1a92b..66ae5ca 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -7,6 +7,7 @@ ENV LC_ALL=C.UTF-8
 RUN apt-get update \
     && apt-get install -y --no-install-recommends \
         binutils-arm-none-eabi \
+        build-essential \
         ca-certificates \
         curl \
         gcc-arm-none-eabi \
@@ -15,6 +16,7 @@ RUN apt-get update \
         mercurial \
         patch \
         python3 \
+        python3-dev \
         python3-pip \
         python3-setuptools \
         python3-wheel \
@@ -30,7 +32,11 @@ RUN curl -fsSL "https://nodejs.org/dist/v${NODE_VERSION}/node-v${NODE_VERSION}-l
 
 ENV PATH=/opt/node/bin:${PATH}
 
-RUN python3 -m pip install --no-cache-dir "mbed-cli==1.10.5"
+COPY mbed-os-5.15-requirements.txt /tmp/mbed-os-5.15-requirements.txt
+
+RUN python3 -m pip install --no-cache-dir --default-timeout=100 --retries 10 "mbed-cli==1.10.5" \
+    && python3 -m pip install --no-cache-dir --default-timeout=100 --retries 10 -r /tmp/mbed-os-5.15-requirements.txt \
+    && rm /tmp/mbed-os-5.15-requirements.txt
 
 RUN arm-none-eabi-gcc --version \
     && python3 --version \
diff --git a/mbed-os-5.15-requirements.txt b/mbed-os-5.15-requirements.txt
new file mode 100644
index 0000000..812d506
--- /dev/null
+++ b/mbed-os-5.15-requirements.txt
@@ -0,0 +1,32 @@
+colorama==0.3.9
+urllib3[secure]==1.24.2
+prettytable==0.7.2
+junit-xml==1.8
+pyyaml==4.2b1
+jsonschema==2.6.0
+future==0.16.0
+six==1.12.0
+mbed-cloud-sdk>=2.0.6,<2.1
+requests>=2.20,<2.21
+idna>=2,<2.8
+pyserial>=3,<=3.4
+Jinja2>=2.10.1,<2.11
+MarkupSafe<2.1
+intelhex>=1.3,<=2.2.1
+mbed-ls>=1.5.1,<1.8
+mbed-host-tests>=1.4.4,<1.6
+mbed-greentea>=0.2.24,<1.8
+beautifulsoup4>=4,<=4.6.3
+pyelftools>=0.24,<=0.25
+manifest-tool==1.5.2
+icetea>=1.2.1,<1.3
+pycryptodome>=3.9.3,<4
+pyusb>=1.0.0,<2.0.0
+hidapi>=0.7.99,<0.8.0;platform_system!="Linux"
+cmsis-pack-manager>=0.2.3,<0.3.0
+pywin32==224;platform_system=="Windows"
+wmi==1.4.9;platform_system=="Windows"
+psutil==5.6.6
+cryptography>=2.5,<3
+Click>=7.0,<7.1
+cbor>=1.0.0