diff --git a/worker-{{cookiecutter.slug}}/Dockerfile b/worker-{{cookiecutter.slug}}/Dockerfile
index e429d05613e7387d476b005d983d88ff58df1d0e..ca9aae79e850a13a707023bfba37ba03b7e59afe 100644
--- a/worker-{{cookiecutter.slug}}/Dockerfile
+++ b/worker-{{cookiecutter.slug}}/Dockerfile
@@ -7,8 +7,7 @@ ADD requirements.txt .
 RUN pip install -r requirements.txt
 
 # Add archi local CA
-COPY ./docker/external/dev-ca.pem /usr/local/share/ca-certificates/arkindex-dev.crt
-RUN update-ca-certificates
+RUN curl https://wiki.teklia.com/teklia_dev_ca.pem > /usr/local/share/ca-certificates/arkindex-dev.crt && update-ca-certificates
 ENV REQUESTS_CA_BUNDLE /etc/ssl/certs/ca-certificates.crt
 
 CMD ["python", "worker.py"]
diff --git a/worker-{{cookiecutter.slug}}/docker/external/dev-ca.pem b/worker-{{cookiecutter.slug}}/docker/external/dev-ca.pem
deleted file mode 100644
index 0184b64712a5a7f36d32127c13a8ce7d1aefcc95..0000000000000000000000000000000000000000
--- a/worker-{{cookiecutter.slug}}/docker/external/dev-ca.pem
+++ /dev/null
@@ -1,23 +0,0 @@
------BEGIN CERTIFICATE-----
-MIIDzTCCArWgAwIBAgIJAMIk32qc3uH5MA0GCSqGSIb3DQEBCwUAMH0xCzAJBgNV
-BAYTAkZSMREwDwYDVQQIDAhJc8ODwqhyZTERMA8GA1UEBwwIR3Jlbm9ibGUxDzAN
-BgNVBAoMBlRla2xpYTERMA8GA1UEAwwIQXJraW5kZXgxJDAiBgkqhkiG9w0BCQEW
-FWtlcm1vcnZhbnRAdGVrbGlhLmNvbTAeFw0xODA0MDkwODI1MzBaFw00MjExMzAw
-ODI1MzBaMH0xCzAJBgNVBAYTAkZSMREwDwYDVQQIDAhJc8ODwqhyZTERMA8GA1UE
-BwwIR3Jlbm9ibGUxDzANBgNVBAoMBlRla2xpYTERMA8GA1UEAwwIQXJraW5kZXgx
-JDAiBgkqhkiG9w0BCQEWFWtlcm1vcnZhbnRAdGVrbGlhLmNvbTCCASIwDQYJKoZI
-hvcNAQEBBQADggEPADCCAQoCggEBALDSzuXMJotLPqA8rK8c1GCK9G54VQKgieG8
-agLOd0a3ALh+Qz9uLSPEPz40zxjXLLMVIYqHW9CynP5su62gdcpZ0CVImF1e0bgF
-U+x0RpNFtceh/RixNL5b9XA9Y3By67jpZfjLC9d0WRQOaIOSW/wUTGWUbW0y/OWg
-dc5Qihn32icVit8ogfUCBoH8v0OypiF+AmJHFUq2rjCB0fmvLLZscSdMe4XsYLa0
-7eFRdnKesfE3ooQODnoL2zDkDqhY31PRsCrHquHLO0U7v5NhsfUJs5K9COQeCHW3
-q03kOIecoi1otPYGf07MWKn3AR399HifYHjm5+YYBZ9t7MhOkScCAwEAAaNQME4w
-HQYDVR0OBBYEFLj6DCMMKOYYQE8KvRRjFJEwxbXUMB8GA1UdIwQYMBaAFLj6DCMM
-KOYYQE8KvRRjFJEwxbXUMAwGA1UdEwQFMAMBAf8wDQYJKoZIhvcNAQELBQADggEB
-AHPpwfg/N4QNgzmK0BV//H6n96C+Vu5E3A71zKsAZj231K+pcwvOWEZHPV/h9fcV
-jHQg5crQsZy7CoV2VdTKbprL/F7W+JsUEPrk3xnqnqqIexDm1m8pua1XCLurU+Sy
-588XbzNlOGDzfI8kWhWS9rEJWpVvadQ4PhOlORlU7oRgAjCOXZHNLHs6IdS4yUH5
-TqG9Tv3n7503Jyc5gnLzjJdUg7a3r/7awGr6nWZrdSE29ErLVY+NAUQmjkD7A0kD
-ds4tZOSq44zthZiwI33Jj56eGcN+MjRcqFuziZnJt/NWPX7F0+4XenGmqmcjvlKO
-zFjKKiOsA01MRJmxSUw6CF8=
------END CERTIFICATE-----