diff --git a/taskcluster/test-armbian-opt-base.tyml b/taskcluster/test-armbian-opt-base.tyml
index 9e3850de..76733c02 100644
--- a/taskcluster/test-armbian-opt-base.tyml
+++ b/taskcluster/test-armbian-opt-base.tyml
@@ -36,8 +36,8 @@ then:
       in:
         DEEPSPEECH_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${linux_arm64_build}/artifacts/public
         DEEPSPEECH_TEST_MODEL: https://community-tc.services.mozilla.com/api/queue/v1/task/${training}/artifacts/public/output_graph.pb
-        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pb
-        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pbmm
+        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pb
+        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pbmm
         PIP_DEFAULT_TIMEOUT: "60"
         PIP_EXTRA_INDEX_URL: "https://lissyx.github.io/deepspeech-python-wheels/"
         EXTRA_PYTHON_CONFIGURE_OPTS: "" # Required by Debian Buster
diff --git a/taskcluster/test-darwin-opt-base.tyml b/taskcluster/test-darwin-opt-base.tyml
index e2463104..6206a22e 100644
--- a/taskcluster/test-darwin-opt-base.tyml
+++ b/taskcluster/test-darwin-opt-base.tyml
@@ -41,8 +41,8 @@ then:
         DEEPSPEECH_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${darwin_amd64_build}/artifacts/public
         DEEPSPEECH_ARTIFACTS_TFLITE_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${darwin_amd64_tflite}/artifacts/public
         DEEPSPEECH_TEST_MODEL: https://community-tc.services.mozilla.com/api/queue/v1/task/${training}/artifacts/public/output_graph.pb
-        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pb
-        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pbmm
+        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pb
+        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pbmm
         EXPECTED_TENSORFLOW_VERSION: "${build.tensorflow_git_desc}"
 
     command:
diff --git a/taskcluster/test-linux-opt-base.tyml b/taskcluster/test-linux-opt-base.tyml
index 63b0d6b7..f3de6fc9 100644
--- a/taskcluster/test-linux-opt-base.tyml
+++ b/taskcluster/test-linux-opt-base.tyml
@@ -41,8 +41,8 @@ then:
         DEEPSPEECH_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${linux_amd64_build}/artifacts/public
         DEEPSPEECH_ARTIFACTS_TFLITE_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${linux_amd64_tflite}/artifacts/public
         DEEPSPEECH_TEST_MODEL: https://community-tc.services.mozilla.com/api/queue/v1/task/${training}/artifacts/public/output_graph.pb
-        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pb
-        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pbmm
+        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pb
+        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pbmm
         DECODER_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${linux_amd64_ctc}/artifacts/public
         PIP_DEFAULT_TIMEOUT: "60"
         EXPECTED_TENSORFLOW_VERSION: "${build.tensorflow_git_desc}"
diff --git a/taskcluster/test-raspbian-opt-base.tyml b/taskcluster/test-raspbian-opt-base.tyml
index f47b020d..faf511a8 100644
--- a/taskcluster/test-raspbian-opt-base.tyml
+++ b/taskcluster/test-raspbian-opt-base.tyml
@@ -36,8 +36,8 @@ then:
       in:
         DEEPSPEECH_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${linux_rpi3_build}/artifacts/public
         DEEPSPEECH_TEST_MODEL: https://community-tc.services.mozilla.com/api/queue/v1/task/${training}/artifacts/public/output_graph.pb
-        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pb
-        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pbmm
+        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pb
+        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pbmm
         PIP_DEFAULT_TIMEOUT: "60"
         PIP_EXTRA_INDEX_URL: "https://www.piwheels.org/simple"
         EXTRA_PYTHON_CONFIGURE_OPTS: "" # Required by Raspbian Buster / PiWheels
diff --git a/taskcluster/test-win-opt-base.tyml b/taskcluster/test-win-opt-base.tyml
index 82aeb0b6..3ff211e6 100644
--- a/taskcluster/test-win-opt-base.tyml
+++ b/taskcluster/test-win-opt-base.tyml
@@ -43,8 +43,8 @@ then:
         DEEPSPEECH_ARTIFACTS_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${win_amd64_build}/artifacts/public
         DEEPSPEECH_ARTIFACTS_TFLITE_ROOT: https://community-tc.services.mozilla.com/api/queue/v1/task/${win_amd64_tflite}/artifacts/public
         DEEPSPEECH_TEST_MODEL: https://community-tc.services.mozilla.com/api/queue/v1/task/${training}/artifacts/public/output_graph.pb
-        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pb
-        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.11/output_graph.pbmm
+        DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pb
+        DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.6.0-alpha.15/output_graph.pbmm
         EXPECTED_TENSORFLOW_VERSION: "${build.tensorflow_git_desc}"
         TC_MSYS_VERSION: 'MSYS_NT-6.3'
         MSYS: 'winsymlinks:nativestrict'