diff --git a/CHANGELOG.md b/CHANGELOG.md
index c662217..4c2b697 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -5,8 +5,12 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 ## [unreleased]
+
+## [v1.4.4]
 ### Changed
 - tensorflow requirement to ~=2.2.2
+### Added
+- R10.4 E8.1 consensus models for Guppy version 5.0.15.
 
 ## [v1.4.3]
 ### Fixed
diff --git a/medaka/__init__.py b/medaka/__init__.py
index 6473a2d..5e624ad 100644
--- a/medaka/__init__.py
+++ b/medaka/__init__.py
@@ -4,7 +4,7 @@
 import os
 import subprocess
 
-__version__ = "1.4.3"
+__version__ = "1.4.4"
 
 
 def check_minimap2_version():
diff --git a/medaka/data/r104_e81_fast_g5015_model.tar.gz b/medaka/data/r104_e81_fast_g5015_model.tar.gz
new file mode 100644
index 0000000..a76a47e
--- /dev/null
+++ b/medaka/data/r104_e81_fast_g5015_model.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:08dc468b6e3381c9a0fb5109168c1edf1413273c12275a480af6cbb733d7b0b8
+size 3372276
diff --git a/medaka/data/r104_e81_hac_g5015_model.tar.gz b/medaka/data/r104_e81_hac_g5015_model.tar.gz
new file mode 100644
index 0000000..603da59
--- /dev/null
+++ b/medaka/data/r104_e81_hac_g5015_model.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:dcf6fc04f8c6fba55e6aed04f648dfeab442963b0ed6e048a48e6bd3dcfd0149
+size 3370262
diff --git a/medaka/data/r104_e81_sup_g5015_model.tar.gz b/medaka/data/r104_e81_sup_g5015_model.tar.gz
new file mode 100644
index 0000000..6c51b6c
--- /dev/null
+++ b/medaka/data/r104_e81_sup_g5015_model.tar.gz
@@ -0,0 +1,3 @@
+version https://git-lfs.github.com/spec/v1
+oid sha256:10096a379de3c218058060e1b2076c611809d6902b3f89a15880fbcbebe58e19
+size 3373622
diff --git a/medaka/options.py b/medaka/options.py
index e675a98..5725477 100755
--- a/medaka/options.py
+++ b/medaka/options.py
@@ -21,8 +21,8 @@
     # r9 consensus
     'r941_min_fast_g507', 'r941_min_hac_g507', 'r941_min_sup_g507',
     'r941_prom_fast_g507', 'r941_prom_hac_g507', 'r941_prom_sup_g507',
-    # r10 consensus
-    'r103_fast_g507', 'r103_hac_g507', 'r103_sup_g507',
+    # r104 e81 consensus
+    'r104_e81_fast_g5015', 'r104_e81_hac_g5015', 'r104_e81_sup_g5015',
     # r9 variant calling
     'r941_prom_hac_snp_g507', 'r941_prom_hac_variant_g507',
 ]
@@ -35,6 +35,7 @@
     # r10 consensus
     'r10_min_high_g303', 'r10_min_high_g340',
     'r103_min_high_g345', 'r103_min_high_g360', 'r103_prom_high_g360',
+    'r103_fast_g507', 'r103_hac_g507', 'r103_sup_g507',
     # snp and variant - flipflop
     'r941_prom_snp_g303', 'r941_prom_variant_g303',
     'r941_prom_snp_g322', 'r941_prom_variant_g322',