diff --git a/.install b/.install
index bb47ce32..d7801ca0 100755
--- a/.install
+++ b/.install
@@ -3,7 +3,7 @@
 virtualenv -p python3 ../tmp/venv
 source ../tmp/venv/bin/activate
 pip install -r <(grep -v tensorflow requirements.txt)
-pip install tensorflow-gpu==1.11.0
+pip install tensorflow-gpu==1.12.0rc2
 
 python3 util/taskcluster.py --arch gpu --target ../tmp/native_client
 
diff --git a/Dockerfile b/Dockerfile
index 564ae57e..25425b10 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -62,7 +62,7 @@ RUN wget https://bootstrap.pypa.io/get-pip.py && \
 # Clone TensoFlow from Mozilla repo
 RUN git clone https://github.com/mozilla/tensorflow/
 WORKDIR /tensorflow
-RUN git checkout r1.11
+RUN git checkout r1.12
 
 
 # GPU Environment Setup
@@ -190,7 +190,7 @@ RUN cp /tensorflow/bazel-bin/native_client/libctc_decoder_with_kenlm.so /DeepSpe
 
 # Install TensorFlow
 WORKDIR /DeepSpeech/
-RUN pip install tensorflow-gpu==1.11.0
+RUN pip install tensorflow-gpu==1.12.0rc2
 
 
 # Make DeepSpeech and install Python bindings
diff --git a/README.md b/README.md
index 58a36cd4..9ed85feb 100644
--- a/README.md
+++ b/README.md
@@ -227,7 +227,7 @@ If you have a capable (Nvidia, at least 8GB of VRAM) GPU, it is highly recommend
 
 ```bash
 pip3 uninstall tensorflow
-pip3 install 'tensorflow-gpu==1.11.0'
+pip3 install 'tensorflow-gpu==1.12.0rc2'
 ```
 
 ### Common Voice training data
diff --git a/native_client/README.md b/native_client/README.md
index ba43d328..8ec39ea4 100644
--- a/native_client/README.md
+++ b/native_client/README.md
@@ -52,7 +52,7 @@ Check the [main README](../README.md) for more details.
 If you'd like to build the binaries yourself, you'll need the following pre-requisites downloaded/installed:
 
 * [TensorFlow requirements](https://www.tensorflow.org/install/install_sources)
-* [TensorFlow `r1.11` sources](https://github.com/mozilla/tensorflow/tree/r1.11)
+* [TensorFlow `r1.12` sources](https://github.com/mozilla/tensorflow/tree/r1.12)
 * [libsox](https://sourceforge.net/projects/sox/)
 
 It is required to use our fork of TensorFlow since it includes fixes for common problems encountered when building the native client files.
diff --git a/requirements.txt b/requirements.txt
index 8cc67773..03cc814d 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,7 +1,7 @@
 pandas
 progressbar2
 python-utils
-tensorflow == 1.11.0
+tensorflow == 1.12.0rc2
 numpy
 matplotlib
 scipy
diff --git a/taskcluster/darwin-amd64-cpu-opt.yml b/taskcluster/darwin-amd64-cpu-opt.yml
index 50274866..62902d1a 100644
--- a/taskcluster/darwin-amd64-cpu-opt.yml
+++ b/taskcluster/darwin-amd64-cpu-opt.yml
@@ -6,7 +6,7 @@ build:
     - "index.project.deepspeech.deepspeech.native_client.osx.${event.head.sha}"
     - "notify.irc-channel.${notifications.irc}.on-exception"
     - "notify.irc-channel.${notifications.irc}.on-failed"
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.osx/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.osx/artifacts/public/home.tar.xz"
   scripts:
     build: "taskcluster/host-build.sh"
     package: "taskcluster/package.sh"
diff --git a/taskcluster/linux-amd64-cpu-opt.yml b/taskcluster/linux-amd64-cpu-opt.yml
index 0d8ecad7..5e854ceb 100644
--- a/taskcluster/linux-amd64-cpu-opt.yml
+++ b/taskcluster/linux-amd64-cpu-opt.yml
@@ -14,7 +14,7 @@ build:
   system_config:
     >
       ${swig.patch_nodejs.linux}
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.cpu/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.cpu/artifacts/public/home.tar.xz"
   scripts:
     build: "taskcluster/host-build.sh"
     package: "taskcluster/package.sh"
diff --git a/taskcluster/linux-amd64-ctc-opt.yml b/taskcluster/linux-amd64-ctc-opt.yml
index 5dee05e4..ff6f5593 100644
--- a/taskcluster/linux-amd64-ctc-opt.yml
+++ b/taskcluster/linux-amd64-ctc-opt.yml
@@ -4,7 +4,7 @@ build:
     - "pull_request.synchronize"
     - "pull_request.reopened"
   template_file: linux-opt-base.tyml
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.cpu/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.cpu/artifacts/public/home.tar.xz"
   scripts:
     build: 'taskcluster/decoder-build.sh'
     package: 'taskcluster/decoder-package.sh'
diff --git a/taskcluster/linux-amd64-gpu-opt.yml b/taskcluster/linux-amd64-gpu-opt.yml
index 08c7f113..22497b90 100644
--- a/taskcluster/linux-amd64-gpu-opt.yml
+++ b/taskcluster/linux-amd64-gpu-opt.yml
@@ -12,7 +12,7 @@ build:
   system_config:
     >
       ${swig.patch_nodejs.linux}
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.gpu/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.gpu/artifacts/public/home.tar.xz"
   maxRunTime: 14400
   scripts:
     build: "taskcluster/cuda-build.sh"
diff --git a/taskcluster/linux-arm64-cpu-opt.yml b/taskcluster/linux-arm64-cpu-opt.yml
index 3146d5d9..136efe7b 100644
--- a/taskcluster/linux-arm64-cpu-opt.yml
+++ b/taskcluster/linux-arm64-cpu-opt.yml
@@ -4,7 +4,7 @@ build:
     - "index.project.deepspeech.deepspeech.native_client.${event.head.branchortag}.arm64"
     - "index.project.deepspeech.deepspeech.native_client.${event.head.branchortag}.${event.head.sha}.arm64"
     - "index.project.deepspeech.deepspeech.native_client.arm64.${event.head.sha}"
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.arm64/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.arm64/artifacts/public/home.tar.xz"
   ## multistrap 2.2.0-ubuntu1 is broken in 14.04: https://bugs.launchpad.net/ubuntu/+source/multistrap/+bug/1313787
   system_setup:
     >
diff --git a/taskcluster/linux-rpi3-cpu-opt.yml b/taskcluster/linux-rpi3-cpu-opt.yml
index fc95c45f..d58cc6fb 100644
--- a/taskcluster/linux-rpi3-cpu-opt.yml
+++ b/taskcluster/linux-rpi3-cpu-opt.yml
@@ -4,7 +4,7 @@ build:
     - "index.project.deepspeech.deepspeech.native_client.${event.head.branchortag}.arm"
     - "index.project.deepspeech.deepspeech.native_client.${event.head.branchortag}.${event.head.sha}.arm"
     - "index.project.deepspeech.deepspeech.native_client.arm.${event.head.sha}"
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.arm/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.arm/artifacts/public/home.tar.xz"
   ## multistrap 2.2.0-ubuntu1 is broken in 14.04: https://bugs.launchpad.net/ubuntu/+source/multistrap/+bug/1313787
   system_setup:
     >
diff --git a/taskcluster/node-package.yml b/taskcluster/node-package.yml
index 36dca1e3..85e1a0b9 100644
--- a/taskcluster/node-package.yml
+++ b/taskcluster/node-package.yml
@@ -16,7 +16,7 @@ build:
   system_config:
     >
       ${swig.patch_nodejs.linux}
-  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.cpu/artifacts/public/home.tar.xz"
+  tensorflow: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.cpu/artifacts/public/home.tar.xz"
   scripts:
     build: "taskcluster/node-build.sh"
     package: "taskcluster/node-package.sh"
diff --git a/taskcluster/test-armbian-opt-base.tyml b/taskcluster/test-armbian-opt-base.tyml
index 72b364ef..4c314d9a 100644
--- a/taskcluster/test-armbian-opt-base.tyml
+++ b/taskcluster/test-armbian-opt-base.tyml
@@ -43,7 +43,7 @@ then:
         PIP_DEFAULT_TIMEOUT: "60"
         PIP_EXTRA_INDEX_URL: "https://lissyx.github.io/deepspeech-python-wheels/"
         EXTRA_PYTHON_CONFIGURE_OPTS: "--with-fpectl" # Required by Debian Stretch
-        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.11.0-11-gbee8254"
+        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.12.0-rc2-5-g1c93ca2"
 
     command:
       - "/bin/bash"
diff --git a/taskcluster/test-darwin-opt-base.tyml b/taskcluster/test-darwin-opt-base.tyml
index df787a89..0338f93e 100644
--- a/taskcluster/test-darwin-opt-base.tyml
+++ b/taskcluster/test-darwin-opt-base.tyml
@@ -41,7 +41,7 @@ then:
         DEEPSPEECH_TEST_MODEL: https://queue.taskcluster.net/v1/task/${training}/artifacts/public/output_graph.pb
         DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.2.0-prod-ctcdecode/output_graph.pb
         DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.2.0-prod-ctcdecode/output_graph.pbmm
-        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.11.0-11-gbee8254"
+        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.12.0-rc2-5-g1c93ca2"
 
     command:
       - - "/bin/bash"
diff --git a/taskcluster/test-linux-opt-base.tyml b/taskcluster/test-linux-opt-base.tyml
index 5fe0d1f0..b99d8fc4 100644
--- a/taskcluster/test-linux-opt-base.tyml
+++ b/taskcluster/test-linux-opt-base.tyml
@@ -44,7 +44,7 @@ then:
         DEEPSPEECH_PROD_MODEL: https://github.com/reuben/DeepSpeech/releases/download/v0.2.0-prod-ctcdecode/output_graph.pb
         DEEPSPEECH_PROD_MODEL_MMAP: https://github.com/reuben/DeepSpeech/releases/download/v0.2.0-prod-ctcdecode/output_graph.pbmm
         PIP_DEFAULT_TIMEOUT: "60"
-        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.11.0-11-gbee8254"
+        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.12.0-rc2-5-g1c93ca2"
 
     command:
       - "/bin/bash"
diff --git a/taskcluster/test-raspbian-opt-base.tyml b/taskcluster/test-raspbian-opt-base.tyml
index 1ce40d80..dbb4e012 100644
--- a/taskcluster/test-raspbian-opt-base.tyml
+++ b/taskcluster/test-raspbian-opt-base.tyml
@@ -43,7 +43,7 @@ then:
         PIP_DEFAULT_TIMEOUT: "60"
         PIP_EXTRA_INDEX_URL: "https://www.piwheels.org/simple"
         EXTRA_PYTHON_CONFIGURE_OPTS: "--with-fpectl" # Required by Raspbian Stretch / PiWheels
-        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.11.0-11-gbee8254"
+        EXPECTED_TENSORFLOW_VERSION: "TensorFlow: v1.12.0-rc2-5-g1c93ca2"
 
     command:
       - "/bin/bash"
diff --git a/taskcluster/test-training_upstream-linux-amd64-py27mu-opt.yml b/taskcluster/test-training_upstream-linux-amd64-py27mu-opt.yml
index ef98a1e4..632f8316 100644
--- a/taskcluster/test-training_upstream-linux-amd64-py27mu-opt.yml
+++ b/taskcluster/test-training_upstream-linux-amd64-py27mu-opt.yml
@@ -7,7 +7,7 @@ build:
       apt-get -qq -y install ${python.packages_trusty.apt}
   args:
     tests_cmdline: "${system.homedir.linux}/DeepSpeech/ds/tc-train-tests.sh 2.7.14:mu"
-  convert_graphdef: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.11.bee825492fcf830bd65a024bf859cbfc218e1473.cpu/artifacts/public/convert_graphdef_memmapped_format"
+  convert_graphdef: "https://index.taskcluster.net/v1/task/project.deepspeech.tensorflow.pip.r1.12.1c93ca24c99d7011ad639eea4cd96e4fe45e1a95.cpu/artifacts/public/convert_graphdef_memmapped_format"
   metadata:
     name: "DeepSpeech Linux AMD64 CPU upstream training Py2.7 mu"
     description: "Training a DeepSpeech LDC93S1 model for Linux/AMD64 using upstream TensorFlow Python 2.7 mu, CPU only, optimized version"