diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml
new file mode 100644
index 0000000..16bce6f
--- /dev/null
+++ b/.github/FUNDING.yml
@@ -0,0 +1,12 @@
+# These are supported funding model platforms
+
+github: [coolacid]
+patreon: # Replace with a single Patreon username
+open_collective: # Replace with a single Open Collective username
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: # Replace with up to 4 custom sponsorship URLs e.g., ['link1', 'link2']
diff --git a/modules/Dockerfile b/modules/Dockerfile
index e8d5e9d..486fe34 100644
--- a/modules/Dockerfile
+++ b/modules/Dockerfile
@@ -18,8 +18,11 @@ RUN apt-get update && apt-get install -y --no-install-recommends \
     RUN mkdir /wheel
     WORKDIR /srv
 
+    # TODO: remove downgrade of sigmatools when we have Python 3.8 ref #128 and #143
     RUN git clone --branch ${MODULES_TAG} --depth 1  https://github.com/MISP/misp-modules.git /srv/misp-modules; \
-        cd /srv/misp-modules || exit; sed -i 's/-e //g' REQUIREMENTS; pip3 wheel -r REQUIREMENTS --no-cache-dir -w /wheel/
+        cd /srv/misp-modules || exit; \
+        sed -i 's/-e //g' -e 's/sigmatools==0.20/sigmatools==0.19.1/' REQUIREMENTS; \
+        pip3 wheel -r REQUIREMENTS --no-cache-dir -w /wheel/
 
     RUN git clone --depth 1 https://github.com/stricaud/faup.git /srv/faup; \
         cd /srv/faup/build || exit; cmake .. && make install; \
diff --git a/server/Dockerfile b/server/Dockerfile
index c1d32e2..4b0c1bd 100644
--- a/server/Dockerfile
+++ b/server/Dockerfile
@@ -1,4 +1,4 @@
-FROM composer:1.9 as composer-build
+FROM composer:2.1 as composer-build
     ARG MISP_TAG
     WORKDIR /tmp
     ADD https://raw.githubusercontent.com/MISP/MISP/${MISP_TAG}/app/composer.json /tmp
@@ -33,6 +33,7 @@ FROM debian:buster-slim as python-build
         python3-setuptools \
         python3-wheel \
         libfuzzy-dev \
+        libffi-dev \
         ca-certificates \
         && apt-get autoremove -y && apt-get clean -y && rm -rf /var/lib/apt/lists/*