diff --git a/conda/recipes/conda_build_config.yaml b/conda/recipes/conda_build_config.yaml
index bd7fd7207c96..dd72ca0e7924 100644
--- a/conda/recipes/conda_build_config.yaml
+++ b/conda/recipes/conda_build_config.yaml
@@ -50,9 +50,9 @@ pyqt:
 qt_main:
   - 5.15.8
 
-# 5.4.2 crashes the jupyter console. The bug was fixed in 5.4.3.
+# 5.4.2 crashes the jupyter console. 5.5.0 raises a TypeError when using tab completion.
 qtconsole:
-  - '!=5.4.2'
+  - '!=5.4.2,!=5.5.0'
 
 qscintilla2:
   - 2.13
diff --git a/mantid-developer-linux.yml b/mantid-developer-linux.yml
index 4c6eeff58db0..1fb0d8576b87 100644
--- a/mantid-developer-linux.yml
+++ b/mantid-developer-linux.yml
@@ -35,7 +35,7 @@ dependencies:
   - pyyaml>=5.4.1
   - qscintilla2
   - qt=5.15.8 # Avoid unexpected qt upgrades
-  - qtconsole!=5.4.2 # 5.4.2 crashes the jupyter console. Bug was fixed in 5.4.3
+  - qtconsole!=5.4.2,!=5.5.0 # 5.4.2 crashes the jupyter console. 5.5.0 raises a TypeError when using tab completion.
   - qtpy>=1.9.0
   - qt-gtk-platformtheme # Use native theme on GTK-based systems, which provides a significantly better performing file browser.
   - requests>=2.25.1
diff --git a/mantid-developer-osx.yml b/mantid-developer-osx.yml
index 8db077808f04..3815cd02c9d1 100644
--- a/mantid-developer-osx.yml
+++ b/mantid-developer-osx.yml
@@ -35,7 +35,7 @@ dependencies:
   - pyyaml>=5.4.1
   - qscintilla2
   - qt=5.15.8 # Avoid unexpected qt upgrades
-  - qtconsole!=5.4.2 # 5.4.2 crashes the jupyter console. Bug was fixed in 5.4.3
+  - qtconsole!=5.4.2,!=5.5.0 # 5.4.2 crashes the jupyter console. 5.5.0 raises a TypeError when using tab completion.
   - qtpy>=1.9.0
   - requests>=2.25.1
   - scipy>=1.10.0
diff --git a/mantid-developer-win.yml b/mantid-developer-win.yml
index 523d9609923e..8fc27c5132eb 100644
--- a/mantid-developer-win.yml
+++ b/mantid-developer-win.yml
@@ -35,7 +35,7 @@ dependencies:
   - pyyaml>=5.4.1
   - qscintilla2
   - qt=5.15.8 # Avoid unexpected qt upgrades
-  - qtconsole!=5.4.2 # 5.4.2 crashes the jupyter console. Bug was fixed in 5.4.3
+  - qtconsole!=5.4.2,!=5.5.0 # 5.4.2 crashes the jupyter console. 5.5.0 raises a TypeError when using tab completion.
   - qtpy>=1.9.0
   - requests>=2.25.1
   - scipy>=1.10.0