diff --git a/charms/istio-pilot/charmcraft.yaml b/charms/istio-pilot/charmcraft.yaml
index 8541a4ed..4203d92a 100644
--- a/charms/istio-pilot/charmcraft.yaml
+++ b/charms/istio-pilot/charmcraft.yaml
@@ -8,8 +8,8 @@ bases:
       channel: "20.04"
 parts:
   charm:
-    charm-python-packages: [setuptools, pip]
-    build-packages: [git, rustc, cargo]
+    charm-python-packages: [setuptools, pip, jsonschema, cryptography, cffi]
+    build-packages: [git, rustc, cargo, libffi-dev, libssl-dev]
   istioctl:
     plugin: dump
     source: https://github.com/istio/istio/releases/download/1.17.3/istioctl-1.17.3-linux-amd64.tar.gz
diff --git a/charms/istio-pilot/requirements-unit.txt b/charms/istio-pilot/requirements-unit.txt
index 81b055e7..511ad5f4 100644
--- a/charms/istio-pilot/requirements-unit.txt
+++ b/charms/istio-pilot/requirements-unit.txt
@@ -7,7 +7,9 @@
 anyio==4.0.0
     # via httpcore
 attrs==23.1.0
-    # via jsonschema
+    # via
+    #   jsonschema
+    #   referencing
 certifi==2023.7.22
     # via
     #   httpcore
@@ -43,7 +45,9 @@ idna==3.4
     #   httpx
     #   requests
 importlib-resources==6.0.1
-    # via jsonschema
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
 iniconfig==2.0.0
     # via pytest
 jinja2==3.1.2
@@ -52,7 +56,9 @@ jinja2==3.1.2
     #   -r requirements.in
     #   charmed-kubeflow-chisme
 jsonschema==4.17.3
-    # via serialized-data-interface
+    # via
+    #   -r requirements.in
+    #   serialized-data-interface
 lightkube==0.14.0
     # via
     #   -r requirements-unit.in
diff --git a/charms/istio-pilot/requirements.in b/charms/istio-pilot/requirements.in
index f408aa35..511b551f 100644
--- a/charms/istio-pilot/requirements.in
+++ b/charms/istio-pilot/requirements.in
@@ -1,6 +1,9 @@
 charmed-kubeflow-chisme
+# Required by tls-certificates library
 cryptography
 jinja2
+# Required by tls-certificates library
+jsonschema
 lightkube
 # Pinning lightkube-models to keep compatibility with istio 1.17
 # which supports versions 1.23, 1.24, 1.25, 1.26 of k8s
diff --git a/charms/istio-pilot/requirements.txt b/charms/istio-pilot/requirements.txt
index cc3c34f9..c049c1d0 100644
--- a/charms/istio-pilot/requirements.txt
+++ b/charms/istio-pilot/requirements.txt
@@ -7,7 +7,9 @@
 anyio==4.0.0
     # via httpcore
 attrs==23.1.0
-    # via jsonschema
+    # via
+    #   jsonschema
+    #   referencing
 certifi==2023.7.22
     # via
     #   httpcore
@@ -37,13 +39,17 @@ idna==3.4
     #   httpx
     #   requests
 importlib-resources==6.0.1
-    # via jsonschema
+    # via
+    #   jsonschema
+    #   jsonschema-specifications
 jinja2==3.1.2
     # via
     #   -r requirements.in
     #   charmed-kubeflow-chisme
 jsonschema==4.17.3
-    # via serialized-data-interface
+    # via
+    #   -r requirements.in
+    #   serialized-data-interface
 lightkube==0.14.0
     # via
     #   -r requirements.in