diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4170e9c4bc0..dba190abf11 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,7 @@
+# cuGraph 21.08.00 (Date TBD)
+
+Please see https://github.com/rapidsai/cugraph/releases/tag/v21.08.00a for the latest changes to this development branch.
+
 # cuGraph 0.20.0 (Date TBD)
 
 Please see https://github.com/rapidsai/cugraph/releases/tag/v0.20.0a for the latest changes to this development branch.
diff --git a/conda/environments/cugraph_dev_cuda11.0.yml b/conda/environments/cugraph_dev_cuda11.0.yml
index 20d56b281d2..b875bbac322 100644
--- a/conda/environments/cugraph_dev_cuda11.0.yml
+++ b/conda/environments/cugraph_dev_cuda11.0.yml
@@ -6,16 +6,16 @@ channels:
 - conda-forge
 dependencies:
 - cudatoolkit=11.0
-- cudf=0.20.*
-- libcudf=0.20.*
-- rmm=0.20.*
-- librmm=0.20.*
+- cudf=21.08.*
+- libcudf=21.08.*
+- rmm=21.08.*
+- librmm=21.08.*
 - dask>=2.12.0
 - distributed>=2.12.0
-- dask-cuda=0.20*
-- dask-cudf=0.20*
+- dask-cuda=21.08.*
+- dask-cudf=21.08.*
 - nccl>=2.8.4
-- ucx-py=0.20*
+- ucx-py=21.08.*
 - ucx-proc=*=gpu
 - scipy
 - networkx>=2.5.1
diff --git a/conda/environments/cugraph_dev_cuda11.1.yml b/conda/environments/cugraph_dev_cuda11.1.yml
index 0eba2baccaa..38485fbd0bc 100644
--- a/conda/environments/cugraph_dev_cuda11.1.yml
+++ b/conda/environments/cugraph_dev_cuda11.1.yml
@@ -6,16 +6,16 @@ channels:
 - conda-forge
 dependencies:
 - cudatoolkit=11.1
-- cudf=0.20.*
-- libcudf=0.20.*
-- rmm=0.20.*
-- librmm=0.20.*
+- cudf=21.08.*
+- libcudf=21.08.*
+- rmm=21.08.*
+- librmm=21.08.*
 - dask>=2.12.0
 - distributed>=2.12.0
-- dask-cuda=0.20*
-- dask-cudf=0.20*
+- dask-cuda=21.08.*
+- dask-cudf=21.08.*
 - nccl>=2.8.4
-- ucx-py=0.20*
+- ucx-py=21.08.*
 - ucx-proc=*=gpu
 - scipy
 - networkx>=2.5.1
diff --git a/conda/environments/cugraph_dev_cuda11.2.yml b/conda/environments/cugraph_dev_cuda11.2.yml
index 55f6ad75cec..385b1b6dad0 100644
--- a/conda/environments/cugraph_dev_cuda11.2.yml
+++ b/conda/environments/cugraph_dev_cuda11.2.yml
@@ -6,16 +6,16 @@ channels:
 - conda-forge
 dependencies:
 - cudatoolkit=11.2
-- cudf=0.20.*
-- libcudf=0.20.*
-- rmm=0.20.*
-- librmm=0.20.*
+- cudf=21.08.*
+- libcudf=21.08.*
+- rmm=21.08.*
+- librmm=21.08.*
 - dask>=2.12.0
 - distributed>=2.12.0
-- dask-cuda=0.20*
-- dask-cudf=0.20*
+- dask-cuda=21.08.*
+- dask-cudf=21.08.*
 - nccl>=2.8.4
-- ucx-py=0.20*
+- ucx-py=21.08.*
 - ucx-proc=*=gpu
 - scipy
 - networkx>=2.5.1
diff --git a/cpp/CMakeLists.txt b/cpp/CMakeLists.txt
index 483149df3af..7ea6fa64ebf 100644
--- a/cpp/CMakeLists.txt
+++ b/cpp/CMakeLists.txt
@@ -16,7 +16,7 @@
 
 cmake_minimum_required(VERSION 3.18...3.18 FATAL_ERROR)
 
-project(CUGRAPH VERSION 21.06.00 LANGUAGES C CXX CUDA)
+project(CUGRAPH VERSION 21.08.00 LANGUAGES C CXX CUDA)
 
 # Write the version header
 include(cmake/Modules/Version.cmake)